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[[quoteright:350:[[Film/TheBirds http://static.tvtropes.org/pmwiki/pub/images/Birds_attack_2071.jpg]]]]
[[caption-width-right:350:Nature re-establishes the pecking order.]]

->''"Birds [...] are the last of the dinosaurs. Tiny velociraptors with wings. Devouring defenseless wiggly things and, and nuts, and fish, and, and other birds. They get the early worms. And have you ever watched a chicken eat? They may look innocent, but birds are, well, they're vicious."''
-->-- '''Spider''', ''Literature/AnansiBoys'', by Creator/NeilGaiman

Everybody knows that birds are some of the least scary animals ever, right? After all, they're small, they're pretty, they sing, [[KillerRabbit they have sharp claws and pointy beaks]], [[ZergRush they fly around in huge flocks]], [[NauseaFuel they hang out in battlefields and pick the flesh off of the corpses]]...

Wait, what?

Monstrous birds aren't that ridiculous, if you think about it. After all, they're the dinosaurs that ''[[BadAss survived]]''. As mentioned above, even the cutest birds have pointy beaks and claws, and some birds (such as starlings) fly in flocks of thousands, making them seem like [[HordeOfAlienLocusts hordes of]] [[JustForPun avian]] [[HordeOfAlienLocusts locusts]]. Many of them are voracious predators, and airborne to boot - just imagine if they were [[GiantFlyer big enough]] to swoop down on ''humans'' and carry them off. (It might be worth noting that the extinct [[GiantFlyer Haast's eagle]] could have occasionally preyed on humans, although it wouldn't have been able to carry them. The [[http://en.wikipedia.org/wiki/Giant_Teratorn giant teratorn]] could theoretically have carried off a person weighing up to approximately 95 kg/200 lbs, had humans actually been around when it was alive.) One should not forget the [[http://en.wikipedia.org/wiki/Phorusrhacidae TERROR BIRDS]], that once roamed (and likely terrorized) the earth.

{{Feathered Fiend}}s can be divided into four catagories:
* AlwaysChaoticEvil. [[CreepyCrows Crows, ravens]] and [[CirclingVultures vultures]] are almost always portrayed as creepy (if not outright evil) due to their association with death. [[OminousOwl Owls]] also tend to fit this bill when they're not being the [[TheOwlKnowingOne wise old owl]] because of their nocturnal habits, historical association with [[BlackMagic witchcraft]], and fondness for eating [[WhatMeasureIsANonCute cute animals]]. Other raptors tend to get a more flattering portrayal due to the fact that they're [[BigBadassBirdOfPrey Big Badass Birds Of Prey]], although they occasionally fit the role of bad guys in cases of [[CarnivoreConfusion Carnivores Are Mean]].
* ZergRush. Smaller birds that attack people in huge flocks. These ones are especially fond of [[EyeScream pecking people's eyes out]], and sometimes overlap with Type A.
* [[AttackOfTheFiftyFootWhatever Monster Bird]]. Usually a GiantFlyer (preferably a raptor) that carries people off in its talons for [[ToServeMan dinner]]. Flightless [[http://www.paleocene.com/copyright/images/paleocene_phororhacos_giant_terror_bird_400x587.jpg terror birds]] are also popular in prehistoric and LostWorld settings. And a KidnappingBirdOfPrey like an eagle, condor or vulture will - against all laws of physics- pick up a small dog or child and fly it to their nest.
* [[KillerRabbit Parodies and Subversions]]. Much like other [[WhatMeasureIsANonCute cute]] and seemingly harmless animals, some birds are portrayed as evil or dangerous to subvert common expectations. Killer [[CluckingFunny chickens]] and villainous [[MorallyAmbiguousDucktorate ducks]] are probably the most popular variation. When this one is played completely straight, it frequently results in {{Narm}}.

Note that this is TruthInTelevision, as some birds such as cassowaries and swans can be [[KillerRabbit surprisingly vicious]] and [[LethalJokeCharacter even outright dangerous]], while others can be indirectly dangerous by carrying diseases like bird flu and psittacosis. (To say nothing of extinct killer avians like the aforementioned Haast's eagles and terror birds, or dino-birds like ''[[StockDinosaurs Deinonychus]]''.)

See also GiantFlyer, KillerRabbit, SwansASwimming, and MorallyAmbiguousDucktorate. Compare with BatOutOfHell and ReptilesAreAbhorrent. OminousOwl is a subtrope. Related to GiantFlyer. Possibly one of the reasons why EverythingsBetterWithPenguins.

----
!!Examples:

[[foldercontrol]]

[[folder:Anime & Manga]]
* ''Anime/WolfsRain'': While looking for a way out of the Forest of Death, the wolves get freaked out by a creepy talking owl that might be a ghost. One of its cryptic pronouncements ''does'' does turn out to be a clue to the escape route, though.
** Confirmed. [[spoiler: After the gang discover the bones stripped bare by the bugs, if you watch the next shot of the owl you can see the trees through it as it flies away.]]
* The evil Raven from ''Anime/PrincessTutu'', and to an extent his daughter Princess Kraehe (Crow), and the flock of carrion birds that are associated with them.
* The first episode of ''Anime/{{Pokemon}}'' had a rock throwing incident lead to Ash and Pikachu being chased by a flock of Spearow (whose Japanese name means "demon sparrow").
** The same Spearow returns at the end of that season, evolved and looking for payback...
** Also, the Taillow, which are also very aggressive if their food sources are threatened. Furthermore, they are able to resist electric attacks (which [[ItsAllThereInTheManual should be]] super effective against them) by sheer ''[[{{Determinator}} willpower]]''.
** Even Pidgey, which is said to be mild mannered, can generate winds strong enough to blow a ten-year-old ''into the sky''.
** ''All'' Murkrows in the series are a species of Jerkasses as their hat. Pun not intended.
* [[Manga/{{Bleach}} Avirama Redder]]
* In ''ChronoCrusade'', [[BigBad Aion]] first appears by channeling his voice through his familiar--a bald eagle with [[GlowingEyesOfDoom glowing red eyes]]. Probably meant to be creepily symbolic, considering Aion constantly cites his motivations as "freedom".
* [[Manga/JoJosBizarreAdventure Dio Brando's]] pet falcon Pet Shop is just as sadistic as his master, and even has a Stand (Horus, appropriately enough). He's even capable of flashing a PsychoticSmirk, which even TeamPet Iggy notes is impossible.
* In ''Anime/MagicalGirlLyricalNanoha TheMovie First'', ThePhoenix MonsterOfTheWeek from the original series was replaced with a more demonic monster bird, with horns protruding from its body, claws on its wings, and a jagged beak with tusk-like extensions. Alas, while more fearsome-looking, [[CurbstompBattle it lasted as long as the phoenix did]].
* Most Bird-type ''Franchise/{{Digimon}}'' are heroic or neutral, but the massive Ultimate-level Parrotmon is definitely a fiend, especially in the first movie.
* [[spoiler:Noise, the real BigBad]] from ''Anime/SuitePrettyCure'' is a giant black bird with a dragon head and dragon tail. He's able to [[spoiler:brainwash people with the Noise of Evil, controlling all other villains]]. [[spoiler:After absorbing Trio the Minor, he gets a humanoid form, but he's still a FeatheredFiend.]]
[[/folder]]

[[folder:Comicbooks]]
* ''ComicBook/TheSandman'':
** While Matthew is a friendly corvid, the rooks in "A Parliament Of Rooks" are a bit nastier.
** The Cuckoo from "A Game of You" is an avian psychic parasite with BlueAndOrangeMorality.
* The Sidri in the ''Comicbook/{{X-Men}}'' comic book also fit this variant of the trope.
* ''FootrotFlats'' has a turkey as a regular enemy of [[EveryoneCallsHimBarkeep The Dog]], and a goose as a regular enemy of [[TheEveryman Wal]]. At one point, [[CrowningMomentOfAwesome they switched foes]].
* If ''ComicBook/GastonLaGaffe's'' seagull is in a bad mood, the whole office runs for cover.
* ''SavageDragon'' features a villain named Powerhouse who is an avatar of a nature-god. He looks like a humanoid chicken but despite his ridiculous appearance, the hero of the series soon finds that he is a NotSoHarmlessVillain.
* Skroa from ComicBook/LesLegendaires is a litteral example of this: his [[LastOfHisKind now extincted specie]], the Galina, were bird-like demons.
* The Howlibird from ''ComicBook/TheSmurfs'' is a mutated variety of Type C that came from Papa Smurf's failed plant growth experiment that didn't get properly disposed of.
[[/folder]]

[[folder:Fairy Tales]]
* In earlier versions of ''Cinderella'' (and some [[{{Grimmification}} Grimmified]] versions), the wicked stepsisters [[EyeScream have their eyes pecked out by Cinderella's birds]].
** This was, of course, carried over into Stephen Sondheim's ''IntoTheWoods''.
* Two fire-breathing turkeys appear in Madame d'Aulnoy's ''The Yellow Dwarf''.
[[/folder]]

[[folder:FanWorks]]
* FanFic/AGrowingAffection has the Shadow Roc, a giant demon bird large enough that all nine Bijuu could fit on its wings, but still not quite as powerful as the One-Tails. It's still a pretty nasty piece of work, brokering a deal with Orochimaru to MindScrew its six-year old host so it can take over her body.
[[/folder]]

[[folder:Films -- Animated]]
* Lord Shen, the BigBad of ''WesternAnimation/KungFuPanda2'', is a villainous peacock with the blood of apparently the Panda species on his feathers, making him a Type D. However, he is largely no joke in battle considering he is genuinely threatening with [[KnifeNut his blades]] when he fights hand to hand.
* Nigel from ''{{Rio}}''.
* The crow mounts ridden by Mandrake and his warriors in ''WesternAnimation/{{Epic}}''.
* While the hero of Creator/DonBluth's ''WesternAnimation/RockADoodle'' is an avian Elvis {{Expy}}, the villains are AlwaysChaoticEvil owls.
* Screweyes, the villain from ''WereBackADinosaursStory'', is accompanied by a murder of crows. Which devour him alive at the end of the film.
* ''WesternAnimation/TheSecretOfNIMH'': The owl is a downplayed example. The mouse protagonist is naturally terrified of him and we come to find out that he isn't actually evil, although he's still creepy.
* ''WesternAnimation/ABugsLife'' had GrotesqueCute goldfinches. Which, from the point of view of a ''bug'' are probably the equivalent of Franchise/{{Godzilla}}.
* And Disney's ''Disney/AtlantisTheLostEmpire'' had Pyreflies. "These guys are kinda cute when they aren't setting off a big fiery ball of death!"
* Will Arnett voices a mercenary vulture in ''WesternAnimation/HortonHearsAWho''. He's the only real bird in the show, but then again he's being paid off by a ''kangaroo''.
* The seagulls from ''WesternAnimation/FindingNemo''. "Mine! Mine!"
* The main villain of ''WesternAnimation/{{Valiant}}'' is a German pigeon-intercepting falcon voiced by TimCurry.
* The first act of ''WesternAnimation/{{Rango}}'' involved the titular chameleon attempting to protect a Western town called Dirt from a giant hawk (Dirt's inhabitants are all animals, most of which are the hawk's prey).
* ''WesternAnimation/PussInBoots'' features a giant goose known as the [[NamesToRunAwayFromReallyFast Great Terror]]. It's fairly calm, but if you steal her golden egg-laying gooselings you'll learn ''why'' they call it that way...
[[/folder]]

[[folder:Films -- Live-Action]]
* ''Film/TheBirds''. Oh, god, ''The Birds''.
* Vicious man-eating songbirds in ''{{Barbarella}}''.
* ''Film/ResidentEvilExtinction'' had a whole flock of infected crows attack the convoy at one point.
* One of the monsters in ''TheMysteriousIsland'' is a terror bird.
* ''[[TenThousandBC 10,000 BC]]'' also had terror birds, most likely as a way to have cavemen menaced by [[EverythingsBetterWithDinosaurs dinosaurs]] without it being [[AnachronismStew anachronistic]]. (Never mind that terror birds didn't coexist with humans, either.)
** Well, they did, but only in New Zealand.
* ''Film/PoultrygeistNightOfTheChickenDead''
* ''Film/{{Birdemic}}'', essentially a BMovie version of ''TheBirds''.
* The prison island scene in ''PiratesOfTheCaribbean 2''.
* ''{{Thankskilling}}''.
* Feathers [=McGraw=] the villainous penguin from ''[[WallaceAndGromit The Wrong Trousers]]''. Definitely type D (the [[PaperThinDisguise rubber glove chicken disguise]] effectively pulls the gag twice).
[[/folder]]

[[folder:Literature]]
* In ''{{Elfstruck}}'', the soldier rides a [[http://en.wikipedia.org/wiki/Terror_bird terror bird]].
* Creator/HGWells wrote a short short called [[http://www.classicreader.com/book/809/1/ Aepyornis Island]], where the titular bird is quite a nasty beastie. The real Aepyornis was herbivorous, but since their still living cousins like the cassowary are among the most lethal birds alive...
* EdgarAllanPoe's ''Literature/TheRaven''. Also a case of CreepyRavens.
* Creator/HPLovecraft's ''At The Mountains Of Madness'' has giant blind [[EvilAlbino albino]] [[NightmareRetardant penguins]].
** Whippoorwills often appear in Lovecraft's stories as omens of impending doom. They don't actually do much, but you know something ugly is about to go down when a bunch of whippoorwills decide to perch near your house in LovecraftCountry.
* The Chimes of Death from the ''SwordOfTruth'' series, AKA the [[MemeticMutation infamous]] "Chicken That Was Not A Chicken". Aims for Type A by being a demon that takes the form of a seemingly-ordinary chicken, but regarded by many readers as [[{{Narm}} an unintentional example]] of Type D.
* The birdwoman from ''Literature/AnansiBoys'' (quote featured above) serves as a secondary antagonist, using birds to attack Fat Charlie and Spider.
* There's a children's book called "SQUAAAAWK" in which, if you open a magical book, you allow the [[GiantFlyer Roc]] magically bound inside to get out and terrorize your town.
* The later ''Literature/{{Animorphs}}'' books have several instances of flocks of homicidal bird-morphed controllers attacking the protagonists.
** And the natural version: Tobias hates crows because they mob hawks. And eagles—a group made Rachel slam into a tree and [[TraumaInducedAmnesia lose her memory]].
* In ''Literature/{{Redwall}}'', birds are generally on the side of good, if often wild and untamed. There are exceptions, however--an army of rooks led by a raven attacks Redwall in ''Mattimeo'' and St. Ninian's is home to vicious jackdaws in ''Pearls of Lutra''. And, of course, there's the heron of ''Martin the Warrior'', the Warden. "I am the law!" * GULP*
** Swans are (somewhat justifiably) treated as giant monsters in one book, where the heroes trick some henchmen into getting close to a swan's nest. Death ensues.
* The ''Literature/OldKingdom Trilogy'' has flocks of Gore Crows, evil and dangerous in large numbers (especially when in a Paperwing); a flock of crows animated by a single Dead spirit.
* ''TheWarAgainstTheChtorr''. [[ManEatingPlant Shambler trees]] are host to over thirty different types of carnivorous tenants that swarm in their thousands when they sense the vibrations of nearby prey.
* The enormous flocks of sparrows of Creator/StephenKing's ''Literature/TheDarkHalf''. "Evil" might be putting it a bit strong, since their ultimate purpose is to put the main character's EvilTwin back where he belongs; then again, "creepy" might not do them justice.
* [[http://arthursclassicnovels.com/arthurs/howard/pighell10.html Pigeons From Hell]]
** Mind you, the pigeons are a harbinger of evil rather than the actual monsters of the story-- not unlike the whipporwills in Lovecraft's ''Literature/TheDunwichHorror''.
* The vicious birdlike Shryke race in ''Literature/TheEdgeChronicles''.
* In ''{{Dragaera}}'', the issola is a sort of crane-like which appears really elegant and graceful, but is also a very competent hunter. This is noted as a metaphor for how the House of Issola has the [[PlanetOfHats hat]] of politeness and grace, but [[BewareTheNiceOnes you shouldn't think they are pushovers]].
* ''HisDarkMaterials'' has the tualapi, white swan like birds that are flightless but use their wings as sails...and are carnivorous. Perhaps a subversion however, since they may not actually be birds, but organisms that evolved to resemble them, since they belong to a world were vertebrates aren't the dominant animals, and their wings are positioned one in front of the other instead of alongside each other.
* Some of the Dark One's servants in ''Literature/TheWheelOfTime'' can use crows as spies and messengers, and occasionally use huge flocks of crows to attack people. Crows are regularly included in scenes to give the impression that characters are being watched.
* In Creator/RobertEHoward's "A Witch Shall Be Born", ConanTheBarbarian is crucified, but the villain carefully explains that the vultures will kill him first.
* Both played straight and averted in ''Literature/LordOfTheRings''; while crows are viewed as an ill omen, and a malicious variety called "crebain" serve Saruman as spies and messengers, ravens are noted to be dwarf-friends. And the Eagles are downright AlwaysLawfulGood.
* In the ''Literature/WarriorCats'' series, ordinary birds of prey such as hawks, eagles, and owls. [[JustifiedTrope Justified]], since they're ''cats'', after all, and the birds are very large to them - large enough to carry off a kit, or, with an eagle at least, a full-grown cat.
* The Pure Ones, St. Aggie's owls and hagsfiends of ''Literature/GuardiansOfGaHoole''.
* A flock of giant killer ''hornbills'', of all things, appears in the South Seas Treasure Game from ''Literature/DreamPark''. Presumably the Lopezes were going for the unexpected when they chose them as a threat.
* A pair of lovers in the forest are devoured alive by a flock of little birds, in the Philip MacDonald short story, "Our Feathered Friends" (1931).
* One of Creator/PGWodehouse's ''Literature/JeevesAndWooster'' stories features Bertie and another man getting trapped on the roof an island gazebo by a highly territorial swan.
* Inverted in ''Literature/TheTwits'' . Roly-Poly Bird and the other birds are instrumental to the escape of the monkey family and the turning of the Twits upside down.
[[/folder]]

[[folder:Live-Action TV]]
* While ''Walking With Beasts'' focused mostly on prehistoric mammals, the horse-munching ''Gastornis'' in the first episode was one of the scariest animals on the show. Although a bit of BadassDecay occurs when [[spoiler: its unhatched chick is eaten by giant ants]]. Also of note are the ''Phorusrhacos'' in another episode, though they don't present any real threat to the ''Smilodon'' we're following. Because nothing - except climate change and [[spoiler: the giant ground sloth ''Megatherium'']] - present much threat to a ''Smilodon''.
** ''WalkingWithDinosaurs'' had ''Iberomesornis'' that were portrayed as type B. In spite of their small size they chased off a [[GiantFlyer giant pterosaur]].
** Another SpeculativeDocumentary, ''TheFutureIsWild'', had a deadly flightless caracara called the Carakiller, an obvious [[http://en.wikipedia.org/wiki/Phorusrhacid Phorusrhacid]] {{Expy}}. This was [[LampshadeHanging lampshaded]] by the narrator.
* In an episode of ''Series/MythBusters'', when Adam is placing his hand in a pen of baby ducks, Jamie joked "Don't be fooled, these are actually quite deadly."
* In the ''[[TheSuiteLifeOfZackAndCody Suite Life on Deck]]'' episode "Mean Chicks", Cody deprives a seagull of a french fry Zack attempted to feed it, and spends the rest of the episode trying to escape the bird's wrath.
* In the ''Series/DoctorWho'' episode "Vincent and the Doctor", a Provençal village is being menaced by what, [[InvisibleToNormals when we finally get a look at it]], appears to be a giant cross between a chicken and a parrot. From outer space.
* The titular character of ''Series/TheAvengers'' episode "The Winged Avenger". A cartoonist who disguises himself as his own bird of prey-like comic superhero and lacerates {{Corrupt Corporate Executive}}s to death, using magnetized boots to climb walls.
* The ''Series/TalesFromTheCrypt'' episode "Carrion Death" has the protagonist, a con attempting to escape through the desert, being stalked by a hungry vulture who eventually makes a meal out of him... while he's still alive.
* One ''Deep Thoughts by Jack Handy'' from ''Series/SaturdayNightLive'' says:
** I think the international symbol for peace should be the pillow. It has as many feathers as a dove but without that vicious beak.
* The third season Halloween episode of ''Series/That70sShow'' featured a parody of ''Film/TheBirds''.
[[/folder]]

[[folder: Music]]
* The Music/EgoLikeness song [[http://www.youtube.com/watch?v=uAUbeggGmiU Aviary]] does not paint a particularly friendly picture of birds.
* The video of Bingo Players' "Get Up (Rattle)" shows ducks attacking some teenage hooligans.
* [[http://www.youtube.com/watch?v=cFK2Xq2RyiU The March of the Sinister Ducks]] by {{Bauhaus}} feat. Creator/AlanMoore is either a particularly drug-laden straight version or a strange parody. Considering the bulk of Moore's work, anything's possible.
[[/folder]]

[[folder:Myth And Legend]]
* While [[OurVampiresAreDifferent vampires]] were later associated with [[SavageWolves wolves]] and [[BatOutOfHell bats]], Roman legends portray them as shapeshifting, blood-drinking owls. Several East European words for "vampire" (strigoi, shtriga, strzyga) are derived from "strix", the Latin word for "screech owl."
** ''VampireTheRequiem'' uses them with the strix, [[OminousOwl spirits that take the form of owls]] who brought down the Roman Empire (and with it, the largest body of vampiric government in history) because of an ancient betrayal. They can possess humans as well as sleeping vampires, and the clan books hint they're returning for some reason...
* [[HalfHumanHybrid Harpies]], which are usually portrayed as vulture-like.
** Sirens also originally were depicted as birdlike rather than mermaid-like.
** Quite few other [[MixAndMatchCritters mix-and-match]] mythical monsters are at least part bird, although whether or not they're scary of evil tends to vary.
* One of Hercules's tasks was to kill the Stymphalian birds, which had sharp, metallic feathers and a taste for human flesh.
* Cockatrices were said to have been born of the [[MisterSeahorse egg of a rooster]] and incubated by a toad or snake. A lizard-like bird (or vice versa), it has the power to [[TakenForGranite turn people into stone with its gaze]].
** Traditional folklore concerning basilisks is almost identical, with the exception that unlike the cockatrice, they are wingless (most of the time anyway).
** They also can't be safely killed, as its blood is so corrosive and poisonous that it [[TakingYouWithMe kills its slayer, no exceptions]].
* Averted (mostly) in NorseMythology with Odin's two ravens, Huginn and Munnin.
* Do you know that stereotypical image of hundreds of hapless slaves being dragged up an [[UsefulNotes/AztecMythology Aztec]] pyramid to have their hearts torn out? That was the festival of the Aztec [[WarGod god of war]] Huitzilopochtli, the Left-Handed ''[[KillerRabbit Hummingbird]]''.
* The thunderbird of Native American mythology.
* The boobrie from Scottish folklore was a monstrous, shapeshifting water bird that was large enough to kill and eat sheep.
[[/folder]]

[[folder:New Media]]
* Website/{{Specworld}} has several [[http://www.unet.univie.ac.at/~a0000265/Spec/Sphenisciformes.html deadly penguins]] (mainly expies for seals, which never developed) with names like "the Screaming [[InstantAwesomeJustAddNinja Ninja]] [[EverythingsBetterWithPenguins Penguin]] [[DoomyDoomsOfDoom Of DEATH!!]]"
** Also, the [[http://www.unet.univie.ac.at/~a0000265/Spec/Allospiziformes.html cityfinches]], which are a homage to ''The Birds''. There's even one cityfinch called called Alfred Hitchcock's thebird (''Theornis alfredhitchcocki'').
* [[ExactlyWhatItSaysOnTheTin The Pack of the Primordial Feather]] in ''Blog/TheTyrannosaurChronicles''. All its members are coelurosaurs, the fuzzy and feathery dinosaurs that also include birds. (Incidentally, birds are the only coelurosaur lineage who aren’t part of the Pack.)
[[/folder]]

[[folder:Tabletop Games]]
* The Kroot of ''TabletopGame/{{Warhammer 40000}}'', while not feathered anymore, are a sentient humanoid race descended from avians. They have a mane of quills instead of hair or feathers, but retain their ancestors' slender yet powerful build, language of clicks and whistles, sharp vision, and beaks. The Kroot are notable for [[CannibalClan consuming the flesh of defeated enemies]] in search of specific [[CannibalismSuperpower evolutionary upgrades]] - in the 41st millenium you get eaten by chickens.
** Also, the greater daemon of [[TheChessmaster Tzeentch]] is a [[http://kofler.dot.at/40k/units/Tzeentch_Greater_Daemon_Lord_of_Change_3.jpg giant bird monster]] called the Lord of Change. Also, while followers of Chaos [[EvilMakesYouMonstrous will invariably start to mutate]], [[BlackCrusade according to some materials]], those who follow Tzeentch specifically tend to develop avian traits ([[BodyHorror emphasis on "tend"]]).
* The Black planeswalkers of ''MagicTheGathering'' have a fairly decent selection of Type A birds, from [[http://ww2.wizards.com/gatherer/CardDetails.aspx?&id=47223 buzzards]] to [[http://ww2.wizards.com/gatherer/CardDetails.aspx?&id=39906 vultures]].
** White has also some [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=129753 hawks]] [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=121244 and]] [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=26284 griffins]], and when LightIsNotGood few of them seem very nice...
*** [[http://wiki.mtgsalvation.com/article/Kirtar Lieutenant Kirtar]] is one particular example of a White aligned feathered fiend.
** In New Phyrexia, [[http://magiccards.info/scans/en/mbs/17.jpg the native birds hunt sentience itself]].
* ''[[DungeonsAndDragons Dungeons & Dragons]]'' has a few avian monsters (including the infamous [[OminousOwl owl]]{{bear|sAreBadNews}}) as well as kenku, a race of nasty bird people.
** There are also the often overlooked Blood Hawks, who go all the way back to the earliest editions. They look like ordinary hawks with gray feathers... who feast on the flesh of people. As players expect the monsters of the game to be much larger, weird looking, or possessing amazing magical powers, their plain appearance and otherwise ordinary nature makes them rather unsettling in their own way.
* In ''TabletopGame/GammaWorld'', there are a few including the Gallus Gallus, chickens that were being bred for meat, but after the apocalypse the computer breeding them screwed up and now they're sentient and humanoid. There's also the Carrin, cruel psychic vulture people with nasty quills.
* Speaking of nasty bird poeple, the word "[[TabletopGame/YuGiOh Blackwings]]" comes to mind.
* [[{{Mortasheen}} Morta]][[http://www.bogleech.com/mortasheen.htm sheen]] has several, although, they [[http://www.bogleech.com/mortasheen/cockatross.htm are]] [[http://www.bogleech.com/mortasheen/phlegmbrane.htm usually]] [[http://www.bogleech.com/mortasheen/veezil.htm quite]] [[http://www.bogleech.com/mortasheen/wendiguin.htm odd]].
** And don't forget the [[http://www.bogleech.com/mortasheen/depraven.htm RAPECROW!!!]] (Alright, it's called Depraven, but the idea is there).
* ''{{GURPS}} Technomancer'', of course, has the magic-using penguin socialist collective of Antarctica, transformed by a Hellstorm into a vicious hivemind that has driven human scientists from the continent and is building up for the next clash.
* ''TabletopGame/WerewolfTheApocalypse'' has the Corax, wereravens. While not evil as a rule and actually relatively pleasant compared to the title lycanthropes, they still have a very disturbing half-human, half-raven war form. It's made all the worse by the fact that they know how gross they look in this form so if they are forced to use it they are usually very, very angry.
[[/folder]]

[[folder:Video Games]]
* In ''VideoGame/{{Borderlands}}'', Mordecai's pet Bloodwing can be used as an attack on enemies.
** In ''VideoGame/{{Borderlands 2}}'', [[spoiler:Bloodwing is driven insane by Slag experimentation]] [[PlayerPunch and must be fought as a boss]].
* The hawks from level 2 of the original ''VideoGame/NinjaGaiden'' are widely regarded as the most annoying/dreaded enemy in the game.
* Dynablade, the legendary bird from the ''VideoGame/{{Kirby}}'' series. She's not necessarily evil, but she does serve as the final boss of the (mini)game Dyna Blade, and Kirby fights her in one episode of [[KirbyOfTheStars the anime]].
** Dynablade may count in that she's a giant bird with sword wings. But she's actually on the good side after Kirby feeds her chicks. She even helps him back later in ''Revenge Of Metaknight''.
* The [[strike: chickens]] [[CallARabbitASmeerp Cuccos]] in ''Franchise/TheLegendOfZelda'' games. Strike one down, and you shall be overwhelmed by [[VideoGameCrueltyPunishment a force more powerful than you could ever imagine.]]
** The Helmaroc King in ''VideoGame/TheLegendOfZeldaTheWindWaker'', too. He even has a rooster-like crest underneath his mask.
* Chocobos in ''Franchise/FinalFantasy'' games. There are few enemies nastier than a flock of them.
** The [[VideoGame/FinalFantasyXI Yagudo]] are one such enemy. I mean honestly, some of them can be called [[KatanasAreJustBetter katana-wielding]] {{Samurai}} [[NinjaPirateZombieRobot birdmen]]. The fact that many Yagudo are religious fanatics doesn't help matters, although they at least have a 'peace' agreement with Windurst (read: give us offerings or we'll overrun the city).
*** There is also the Zuu, ugly, featherless Giant Flyers that tend to do more damage to the party then any other monsters on the map.
**** In ''VideoGame/FinalFantasyVII'' birds/flying enemies approach DemonicSpiders territory at times, due to high-damaging skills (the penguin things around Cosmo Canyon early in the game) or the fact that you cannot hit flying enemies without long-range equipment or materia (like the Unknown in the sunken carrier.)
* ''VideoGame/TheCurseOfMonkeyIsland'' has "El Pollo Diablo", a demonic chicken that pirate/restaurateur Blondebeard is convinced ran off with all his chickens. Part of a solution to a puzzle involves getting Guybrush to disguise himself as El Pollo Diablo.
* The evil chicken in ''VideoGame/RuneScape''.
** Also, the folk legends of unsuspecting (and supposedly quite powerful) feather hunters being killed by ''regular'' chickens, on which the Evil Chicken was based.
** There's also the Baby Roc and its mother, the Roc in the My Arm's Big Adventure quest, who have to be defeated in order to help a troll fulfill his dream of being a gardener.
** Averted with Armadyl, his Aviantese followers, and the Saradominist Icyenes, all winged humanoid warriors. They are/follow the self-professed "good gods" of Gielinor, although evidence suggests that the Icyene may not have had much choice in the matter.
* Vulcan Raven's rather disturbing death in ''VideoGame/MetalGearSolid'' A flock of his namesake birds descend on his body, and when they leave, nothing is left but his weapon.
* Terror Birds in ''{{Tibia}}''.
* Swarms of small flying creatures have been in ''{{Metroid}}'' games ever since the first, althogh they are most prevalent in the 3D installments, where they tend to appear as very large flocks, often flying around in circles in large rooms.
* In ''{{Heretic}} II'' multiplayer, there is a 10% chance that hitting somebody with a Morph Ovum (90% into a small pathetic chicken) will turn them into 10 ft tall, 999 hp demonic chicken who's steps shake the ground, and who's peck causes instant death.
* In ''Franchise/{{Halo}}'', it has been ''strongly'' hinted that the Kig-Yar (or, to humans, 'Jackals') of ''{{Halo}}'' are of avian ancestry, with several characters directly comparing them to birds. The novels describe them as vicious SpacePirates and Prophet-employed mercenaries who will do anything for money or spoils of war.
** In fact, their chicks are covered in down, while the Skirmisher subspecies develop all-out plumage as adults.
* One of the Dead Apostle Ancestors in ''{{Tsukihime}}'' is half bird, half vampire and has numerous bird minions and a Reality Marble having something to do with black feathers that kill people. Even the [[AllOfTheOtherReindeer other DAAs]] don't like him.
* Evil birds show up quite frequently in the ''Franchise/SlyCooper'' series. The most prominent is BigBad Clockwerk (an owl), but [[VideoGame/Sly2BandOfThieves the second game]] also gives us sinister parrot Arpeggio, and [[VideoGame/Sly3HonorAmongThieves the third]] has an evil chicken (General Tsao) and another nasty parrot, the pirate captain [=LeFwee=].
* The first boss of ''RuneFactoryFrontier'' is a Type C: a [[AttackOfThe50FootWhatever giant]] [[CluckingFunny Clu]][[CallARabbitASmeerp cky]].
* ''Video/EarthBound'' has a number of avian enemies, like the Spiteful Crow and the Mad Duck.
* Bobo in ''VideoGame/WarioLand 1'' is type C (although the latter games show it as closer to a pterodactyl/dragon than any bird), as is the true form (after the first half of the boss battle is won) of Cuckoo Condor in the fourth game.
* ''VideoGame/{{Summoner 2}}'' lampshades this; there's a corvid sitting by a fire in an ominous-looking jungle filled with ruins, where a bloody battle had taken place in ages past... however, his name is Matthew, and he's a rather nice fellow. He even loans you his boat.
* ''BatenKaitos Origins'' has the Holo Holo Bird, a giant, jungle-dwelling ThatOneBoss whose difficulty is exacerbated by its minions, adorable babies who have the obnoxious habit of constantly healing their mother for thousands of damage points.
* Mystia Lorelei of the ''VideoGame/{{Touhou}} Project'' qualifies on one angle, being a night sparrow youkai who hunts humans and can strike them blind with her singing. However, she also averts this trope, as TheChewToy of many a poultry joke in both canon and fanon.
** Likewise, Utsuho Reiuji is a Hell raven who went AxCrazy [[WithGreatPowerComesGreatInsanity upon recieving]] [[ILoveNuclearPower nuclear powers]], but is indicated to have since returned to her usual [[TheDitz birdbrain]] personality.
* There's two in ''VideoGame/DonkeyKongCountryReturns'', [[PunnyName Savory Stu]] and [[ShoutOut Colonel Pluck]]. The former is a giant bird whose body is in a giant cauldron filled with bombs and the latter is an anthropomorphic chicken piloting a giant robot. The latter's stage name and theme is even called "Feather Fiend"!
* Archeops from ''VideoGame/PokemonBlackAndWhite'' (a prehistoric semi-flightless bird based on the '''''Archeop'''teryx'') has beastly attack and good speed. Unfortunately, it's a GlassCannon, and its attack and Special Attack are halved if its health gets below half.
** Braviary (based on a bald eagle and using a misplaced hawk scream) is capable of carrying away cars, and it won't stop fighting even if injured, for the sake of its friends. It also has a red, white, and blue color scheme. Hmmm...
** Mandibuzz (a cartoonish vulture) decorates itself with bones. Of course, [[WhatMeasureIsANonCute pay no attention to the]] [[SwansASwimming gracefully swimming]] [[KillerRabbit Swanna]]...
** Going as far back as the second generation (IE: Gold, Silver, Crystal), we have Lugia. A giant-sized bird monster that resembles a dragon-esque monstrosity. Not only was it worshipped as a ''god'' in ancient times within the games mythos, but it was said to be so powerful that it could create storms by a single flap of its wings. It was also responsible for (accidentally) causing the storm that destroyed the Brass Tower and killing the three Pokemon inside that would later become Raikou, Entei, and Suicune. Luckily, though, Lugia isn't malevolent and would prefer to dwell peacefully at the bottom of the sea.
*** Shadow Lugia is basically the result of what happens when one forceably turns an otherwise peaceful dragon-bird monster evil. In the first cutscene alone, it aids the villains in hijacking an entire ship leaving several innocent people stranded in the ocean.
*** Lugia is also the master of the Legendary Bird Trio, Arcticuno, Zapdos and Moltres, who nearly destroy the world in the second movie because of a greedy human's meddling.
** ''Pokemon X/Y'' gives us Yveltal, a Pokemon that looks like a giant horned vulture. To make matters worse, it is known as the "Destruction Pokemon" and [[spoiler:it can resurrect itself from death by forming a cocoon and draining the life out of everything nearby.]]
* The Babylon Rogues of ''VideoGame/SonicRiders'' are a ruthless gang of thieves made up of Jet the Hawk (who looks more like a parrot), Storm the Albatross, and Wave the Swallow.
** Which is really odd when you realize that RealLife Albatrosses are ''endangered'' and swallows and martins have adapted well with humans.
* This is played as Type D in ''VideoGame/DragonAgeOrigins''. Shale hates all forms of bird because she had to live as an immobilized statue for many years, [[AndIMustScream conscious the whole time]], and pigeons would frequently sit and [[{{Squick}} crap all over her]]. She's now made it her life goal to drive all the birds in the world to extinction, starting with the pigeons.
* The giant two-headed roc from ''VideoGame/KingsQuestV''. Also subverted in that the only way to escape from said bird is with the aid of another bird whose life you saved earlier in the game.
* [[AdvancingWallOfDoom Copernicus the Guard Turkey]] from ''LittleBigPlanet 2'' is a Type C case.
* Creator/ValveSoftware loves this. Birds apparently love [[VideoGame/{{Portal2}} attacking robots]] (which becomes a BrickJoke [[spoiler:during the end cutscene of the Peer Review DLC]]), [[VideoGame/Left4Dead alerting zombies to your location]], and [[VideoGame/TeamFortress2 wallowing in peoples' internal organs during surgery]]. You almost wonder if it's a RunningGag.
** {{Lampshaded}} by the ''Left 4 Dead'' survivors:
-->'''Francis''': I hate birds!
-->'''Zoey''': Yeah, birds are dicks!
* Malphas, one of the demons summoned by ''VideoGame/{{Bayonetta}}'' for her boss finishers, is a giant bird made of hair.
* Inverted in ''AngryBirds'' where the eponymous birds are the heroes, and they are all very angry because the evil pigs have stolen their eggs.
* "[[GoddamnedBats I despise]] ''Franchise/{{Castlevania}}'' [[http://video.google.com/videoplay?docid=3645661737840311329&hl=en birds...]]"
* The bird-based [[AIIsACrapshoot Mavericks]] in the ''VideoGame/MegaManX'' series
** Chill Penguin and Storm Eagle from ''VideoGame/MegaManX1''
** Overdrive Ostrich from ''VideoGame/MegaManX2''
** Cyber Peacock and Storm Owl from ''VideoGame/MegaManX4''
** Blaze Heatnix from ''VideoGame/MegaManX6''
** Burn Rooster from ''Mega Man X8''
** Mach Jentra from ''VideoGame/MegaManXCommandMission''
* The Pidgit Bills and Bullet Birds in the ''VideoGame/{{Something}} series''. The Pidgit Bills get a Mario-seeking variation and the Bullet Birds get an exploding variation.
* The T-virus-infected crows from the ''Franchise/ResidentEvil'' series.
* Pretty much [[EverythingTryingToKillYou every single bird]] from the classic ''Franchise/TombRaider'' games.
** In addition, ''Franchise/TombRaider II'' features the Guardian of the Talion, a huge, hulking creature with a bird's head and talons and a humanoid torso and limbs. ''The Golden Mask'' add-on features a similar creature, the Guardian of the Kingdom.
* The Crow Demons from ''VideoGame/DarkSouls''.
[[/folder]]

[[folder:Web Original]]
* ''WebAnimation/PigeonImpossible'' stars a rather...''persistent'' pigeon who demands a CIA agent's bagel, and in doing so nearly causes a nuclear holocaust.
* In ''Literature/{{Worm}}'', one of the Endbringers (three gigantic, incredibly powerful, seemingly invincible creatures that appear to be on a mission to destroy humanity) is a fifteen-foot-tall bird-woman with multiple wings called the Simurgh. She is described as the most intelligent, subtle and manipulative of the Endbringers, with a variety of PsychicPowers that she uses to trick people into eventually ruining their own lives as well as the lives of everyone around them.
[[/folder]]

[[folder:Webcomics]]
* The TikToks (best described as ugly bionic toucans) in ''Webcomic/GunnerkriggCourt'' are watching. Always watching.
* [[MeaningfulName Peter Orniphobe]] claims the pigeon, Baron von Tailfeathers, is one in ''LifeWithLamarr''. [[CassandraTruth Though he might be right]].
* ''Webcomic/VGCats'' shows why [[http://www.vgcats.com/comics/?strip_id=52 you shouldn't mess with chickens]].
* Poor Trotmann of ''TheWordWeary'' is subjected to dive bombs by a deranged blue jay named Jake when delivering pizzas. The family who lives there [[http://wordwearycomic.blogspot.com/2012/05/10-may-2012.html loves watching this happen.]]
* In ''Webcomic/FarOut'', [[http://kimiq.com/farout/en/2012/09/05/farout-page-03/ a vulture comes to eye our main character while he wanders the desert.]] Then he, a robot, points out that he's not edible, and it flies off, bewildering him.
[[/folder]]

[[folder:Western Animation]]
* Peter Griffin from ''WesternAnimation/FamilyGuy'' occasionally gets into epic battles with a [[CluckingFunny giant chicken]].
* The ''WesternAnimation/BatmanTheAnimatedSeries'' version of the Penguin had a collection of deadly birds ranging from poison-billed hummingbirds to trained attack-cassowaries.
* Buzz Buzzard from the ''WesternAnimation/WoodyWoodpecker'' cartoons was usually shown as genuinley evil and sinister, as opposed to Woody who was just an obnoxious ScrewySquirrel type.
* Count Duckula began as a show-biz addicted ditz on WesternAnimation/DangerMouse before becoming an actual villain. He became Flanderized on his own show (a hapless show-biz addicted vegetarian) and had to deal with a common foe, vampire hunter Dr. Von Goosewing. Duckula's manservant, Igor, may count as sinister as he prods Duckula into being the evil bloodsucker he was intended to be.
* In ''WesternAnimation/ScoobyDooMysteryInc'', there is the EvilGenius parrot, Professor Pericles.
* Laserbeak and Buzzsaw from ''{{Transformers}}''.
[[/folder]]

[[folder:Real Life]]
* [[SwansASwimming Modern swans]] are already viciously aggressive. (If one comes towards you hissing, ''back off''.) Imagine facing their [[http://en.wikipedia.org/wiki/Giant_Swan giant extinct cousins.]]
* Roosters have spurs on their legs. Roosters are apparently territorial. There is a reason why Cockfighting used to be so common. Sometimes their natural spurs would replaced with razors.
* The vampire finch (''Geospiza difficilis septentrionalis'') is known for pecking at other birds and giant tortoises until it draws blood, and then drinking it.
** You know oxpeckers, those cute little birds that perch on animals in Africa and do useful things like eat their hosts' parasites? What they're actually after is blood. They mostly get it from the ticks they eat off their hosts, but sometimes they try to get it from the hosts themselves.
* The shrike: it looks like your average songbird, but it [[ImpaledWithExtremePrejudice impales rather large prey (lizards, rodents) on spikes]].
** It wears a black mask. Don't say you haven't been warned.
* Geese can be very vicious if their brood is threatened. They're sometimes used to guard other poultry from predators.
* A lot of birds are very protective of their nests. While their protective instinct is entirely understandable, getting swooped at by alternately furious and desperate parents and helpers for walking near the wrong tree is alarming.
** Seagulls are likable when it's not the nesting season. When it is, seagulls turn into ''divebombing feathered fiends from hell.''
* The [[ExactlyWhatItSaysOnTheTin aptly named]] [[http://en.wikipedia.org/wiki/Phorusrhacidae terror birds]] took over the role of giant bipedal predators in the Cenozoic, long after non-bird dinosaurs were extinct.
* The [[http://en.wikipedia.org/wiki/Cassowary#Cassowary_attacks Cassowary]], native to Australia and New Guinea is a large ostrich like bird. The avian equivalent of a Bear, a Cassowary is dangerous for all the same reasons. They've killed people on more than one occasion. They are extremely territorial and agressive (even more so when it's a [[PapaBear Father Cassowary with chicks because it's actually the males that care for and protect the eggs and chicks)]]. Their back legs kick with enough force to colaspe a human rib cage, or crush a human skull, and has a dinosaurian killing claw on the end. Their omnivorous diet means they love to go into human residental areas and eat trash, because it's loaded with the rotting fruit, bugs, and small mammals it loves to eat. Unfortunately, this means they're more likely to encounter humans, and attack them for invading what they consider to be "their" territory. They've also been known to kill dingos, crocodiles, and even horses and cattle that get to close.
* [[http://scienceblogs.com/tetrapodzoology/2008/12/flying_steamer_ducks.php Steamer ducks]]. They attack and kill other waterfowl for ''no clear reason''.
* [[http://scienceblogs.com/tetrapodzoology/2009/09/09/great-tits-murderous-rapacious/ Great tits]] prey on hibernating bats by ''ripping their heads off''. These birds are definitely ''not'' just seed and insect eaters.
** They [[http://scienceblogs.com/tetrapodzoology/2009/03/passerine_birds_fight_dirty.php fight viciously amongst themselves]], too.
*** [[http://photography.nationalgeographic.com/photography/photo-of-the-day/birds-rondeau-park-pod/ On the subject of bird fights...]]
* Whether or not they count as birds is up to you, but the predatory [[http://en.wikipedia.org/wiki/Dromaeosauridae dromaeosaurids]] and [[http://en.wikipedia.org/wiki/Caenagnathoidea caenagnathoid oviraptorosaurs]] definitely bore bona fide feathers. Among the dromaeosaurids were ''Deinonychus'' and ''Velociraptor'', but the largest of them was ''[[http://en.wikipedia.org/wiki/Utahraptor Utahraptor]]'', which was ''at least'' the size of a grizzly bear and, based on rumored undescribed remains, may have been even larger. Grizzly-bear sized raptors. That might have hunted in packs. The largest oviraptorid was ''[[http://en.wikipedia.org/wiki/Gigantoraptor Gigantoraptor]]'', which was almost nine meters long and weighed over a ton, comparable to some [[http://en.wikipedia.org/wiki/Tyrannosauridae tyrannosaurids]] like ''Albertosaurus''. It would have been the largest feathered fiend known to science if you only count dinosaurs with pennaceous feathers. If you throw protofeathers into the equation things get [[http://en.wikipedia.org/wiki/Therizinosaurus much]] [[http://en.wikipedia.org/wiki/Tyrannosaurus more]] [[http://en.wikipedia.org/wiki/Tianyulong complicated]].
** They were also very tenacious when defending their nests (which was probably [[http://theropoda.blogspot.com/2008/12/big-mama-un-beauty-daddy-varricchio-et.html done by the]] [[PapaWolf males]], by the way). It appears that they would even try to shield their eggs ''from a sandstorm'', as many oviraptorid fossils are found crouching over their nests.
** There's this new theory about how dromaeosaurids went about "preparing" their prey: They used their sickle claws to pin their prey down while flapping their wings for balance. Now put yourself in the prey's shoes: You're lying on your back with raptor claws hooked in your skin, and huge wings flapping in your face, while a raptor eats your guts out. [[Film/JurassicPark The point is... you are alive when they start to eat you.]]
** If you count protofeathers (primitive hair-like feathers), the amount of Fiends grows even higher (and it includes ''[[http://en.wikipedia.org/wiki/Yutyrannus TYRANNOSAURS]]''
* An ostrich once nearly killed JohnnyCash by gutting him with a kick (he was running a farm of them at the time).
* There are stories - unconfirmed - of massive eagles carrying off dogs and even in one case a small child (who survived, was found in the mountains miles from where she disappeared, and is the source of the story).
** There ''are'' [[http://scienceblogs.com/tetrapodzoology/2008/10/when_eagles_go_bad_yet_again.php verified accounts]] of eagles [[BigBadassBirdOfPrey killing deer and young cattle]], however. (Not carrying off, but killing, certainly.) Eagles also appear to have preyed on the young of [[ToServeMan early hominids]] (e.g.: our ancestors). In fact, the [[http://en.wikipedia.org/wiki/Haast%27s_Eagle Haast's eagle]] from New Zealand was probably large enough to kill humans in recent times. [[CripplingOverspecialization It died out]] when its ''[[TrademarkFavoriteFood main]]'' [[TrademarkFavoriteFood food source]] ([[http://en.wikipedia.org/wiki/Moa moa]], large flightless birds) got exterminated.
*** African Crowned Eagles have been known to launch predatory attacks on children (Up to seven years old!). Also, skulls of human infants have been found in African Crowned Eagle nests. This is also the same species of eagle that killed our hominid ancestors as mentioned by the troper above, and because of their fiercesness and fondness for primate meat they are known as the "leopards of the air" by certain African peoples.
* [[http://en.wikipedia.org/wiki/Bearded_Vulture Bearded vultures]] have been known to try and drive large mammmals (including humans) off the edges of cliffs, and [[http://en.wikipedia.org/wiki/Black_Vulture black vultures]] will sometimes [[ZergRush swarm young livestock and medium-sized mammals such as skunks]] and kill them. Keeping in mind that these are "scavenging" vultures, not typical predatory birds of prey such as eagles...
** Some vultures can be pretty fiendish when merely acting in self-defense, because they barf caustic, half-digested rotten meat at would-be attackers.
* ''[[http://en.wikipedia.org/wiki/Argentavis Argentavis magnificens]]'' is the largest flying bird ever to exist. Its wingspan may have been as much as thirty feet! A bird like that could definitely carry a child off.
* [[http://www.youtube.com/watch?v=wGehBKqot3Y Pelicans.]]
* While hummingbirds are largely harmless to humans, they're viciously territorial, due to the fact that they need to eat so much to keep flying. If a hummingbird isn't eating, it's probably fighting. The Aztec example above may have been the result of good observation.
* Old world cuckoos and brood parasites in general. Imagine this scenario: you're a mother bird, getting ready to fly home with food for your baby. You perch on your nest and the baby calls to you for food. While you feed it, you realize something disturbing. There is something wrong. There is something wrong with the baby. You don't know why and you don't know how but there is one thing you DO know. Whatever is in the nest, begging you for food, ''[[AdultFear is NOT your baby.]]'' And if the bird wises up and refuses to feed the baby Cuckoo, the parents or relatives will appear and beat them into submission (in what's called the Cuckoo Mafia Theory, seriously), forcing it into slavery to care for the baby.
[[/folder]]

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