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- Tintin's dog Snowy regularly picks up trails. He's not usually successful, though; on at least one occasion, he was actually going after a bone rather than the criminals Tintin was trying to catch. Tintin also scatters pepper in one story to put an enemy dog off the scent.
- In With Strings Attached, George becomes a dog in order to track Ringo, who has run off into the forest to escape the craziness in Aurion's tent.
- In The Keys Stand Alone: The Soft World, in order to track the missing Kyran Datoro, George becomes a bloodhound. Along the way he notes that he can smell the presence of dogs in Chandalla, but the locals apparently didn't think to use them in this manner.
Films — Animated
- Ice Age: Defied.
Sid: My family abandoned me. They kinda migrated without me. You should have seen what they did last year. I mean, they got up early, and quickly tied up my hands and feet, and gagged me with a field mouse, and barricaded the cave door, and covered their tracks, and went through water so I'd lose their scent, and... and... who needs them anyway?
Ellie: Diego, can you pick up Sid's scent?Diego: I can, but it makes my eyes burn.
- In the A mammoth's Christmas special, when Peaches, Sid, Crash and Eddie are missing, Ellie and Manny ask Diego for help to find them:
- Maximus tracks Flynn this way in Tangled. (Maximus, by the way, is a horse. Whinnies instead of baying to be sure.)
- In Lady and the Tramp, Trusty is a retired tracking bloodhound who has lost his sense of smell. When the Tramp is taken to the pound, Trusty tries to pick up the scent. Joq at first feels sorry for his old friend and tries to make him admit he can no longer track, but Trusty scoffs it off and continues. Against all odds, he manages to pick up the scent and arrives just in the nick of time.
- In Shrek Forever After, Shrek gives Fiona's handkerchief to Donkey so that he can pick up the scent and find her. Donkey is at first insulted about being treated like a dog, but then smells something and goes after it. It turns out to be waffles set up as bait for a trap, although it does lead them to Fiona.
- In The Fox and the Hound, Copper first meets Tod by tracking his scent.
Films — Live-Action
- The Lord of the Rings: The Two Towers
Aragorn: [about the orcs] Their pace has quickened. They must have caught our scent. Hurry!
- Inverted in that it is the orcs that are being pursued, and they've caught the scent of their pursuers (Aragorn, Legolas, and Gimli) and are speeding up so they won't be caught.
- Willow has the hell dogs, which Bavmorda sends to track down the escaping nursemaid in the opening sequence. The nursemaid barely makes it to the water in time to drop the baby on a raft before the hell dogs are upon her.
- Shoot 'em Up. The villains bring in a German Shepherd to track the Badass and Baby, who refuses to shoot the dog. Instead he distracts it by leaving the baby's soiled diaper behind.
- In Jurassic World Hoskins wants to use the raptors to track the escaped Indominus Rex, over trainer Owen's objections. Eventually he gets his way though, Owen grudgingly holding up the chunk of flesh I.Rex ripped out to remove her implant so they can recognize the scent.
- In Dan Abnett's Gaunt's Ghosts novel Traitor General, Landerson recognizes the sound and tells Gaunt that the dogs the Chaos forces are using have their scent.
- In Blood Pact, the Chaos forces transform one of their number to do this, and later, when Mkoll picks up Gaunt's trail, Kolea phrases, "He has the scent."
- The demon-possessed tank which stalks the Gaunt's party during the liberation of Gereon behaves like a preying animal and probably can catch their scent, although this remains ambiguous.
- In Discworld, once criminals start hearing that a werewolf has joined the watch, they grow wise and carry 'scent bombs': a thin glass vial of peppermint oil or aniseed oil is shattered in a busy intersection, where hundreds or thousands of people will walk over it, obscuring the criminal's scent with theirs. Also, Moist Von Lipwig has an emergency escape plan (hatched after he heard the watch employs a werewolf) including detours through the butchering district and riding dung carts.
- Except that this won't work, since Angua can track a suspect through those. The one that does get her is the spice market.
- Sherlock Holmes:
- In The Sign of the Four, one of the criminals steps in creosote leaking from a cracked carboy. Holmes sends Watson to borrow "Toby", a homely mongrel with an amazing nose. At one point, Toby is confused when their quarry crosses paths with a creosote-soaked barrel on a hand trolley and follows the false trail, but they take Toby back to the spot where he appeared confused and he once again picks up the correct trail.
- Toby also makes an appearance in The Seven-Per-Cent Solution.
- In The Hound of the Baskervilles, the stealing of some old boots (that had the scent of their wearer) lets Holmes deduce that there is a real hound involved in the mystery.
- In N or M, Agatha Christie's Tuppence Beresford has rubbed aniseed oil on her shoes so that she can be followed by the officials when she goes to meet a suspected spy. When the person escorting her to the meeting tells her to get into a car, she expresses doubt about the quality of the tires and kicks it several times, transferring the aniseed oil to the sidewall of the tire.
- In William King's Warhammer 40,000 Space Wolf novel Grey Hunters, Sven and Ragnar know there is trouble when they see the Chaos forces have dogs sniffing at a trail.
- In Graham McNeill's Warhammer 40,000 Ultramarines novel Courage and Honour, when two dogs grow frantic, Uriel does not use the phrase, but goes to check himself and smells human blood.
- In John C. Wright's The Orphans of Chaos, when Grum sets Lelaps on Vanity and Amelia's trail, he finds them, turns away, and starts to bay, running off. Grum comments that he's found the scent.
- In Robert E. Howard's "Red Nails", when Conan the Barbarian and Valeria are inching away from the dragon, the wind abruptly blows directly from them to it. Its reaction is instant, and they run.
- In Poul Anderson's A Midsummer Tempest, they get the dogs on Rupert and Will's trail.
- Stephen King's The Green Mile plays with this. A group of dogs track the two kidnapped girls at the beginning of the story, but get mixed up at the creek; two of them want to go in another direction. After the scent is reestablished, they go with the rest of the pack. Later, Paul figures out that it's because those two dogs weren't police dogs and got the smell of the killer and the girls mixed up in their head, so that when the killer ditched the girls at the creek, they went in his direction, rather than where the girls were eventually taken by John Coffey.
- That is, the tracking dogs had to be primed with a scent, and the scent they were given was of the girls. The police dogs caught the third scent mixed up with them and knew from training that that was the real target Wild Bill's and tried to hunt that down. The others track what they were given to track. Where the two diverge, they disagree. When they find the scent of the girls minus the third scent, they all chase that down. The search party makes the obvious assumption when the dogs lead them to what is found - a blood-covered Scary Black Man with the mangled corpse of a white girl in each hand. Poor Communication Kills.
- Matthew Hawkwood and Lassuer are hunted using dogs in Rapscallion.
- In one of the Tarma and Kethry short stories, two kidnapped girls drop shreds of white silk out of the wagon they're being transported in. The silk is invisible against the snow the wagon is rolling through, but leaves traces of their scent that Tarma's kyree familiar Warrl can follow.
- In Gene Stratton-Porter's Freckles, they try to use bloodhounds to find Black Jack. They follow his trail for an amazingly long time, but finally lose him in the depths of the swamp, which is attributed to snakes frightening the hounds.
- In Devon Monk's Allie Beckstrom novel Magic To the Bone, Allie recounts how, to throw a Hound off your trail, you need to avoid using magic and cover up your smell with something else stinky. She opts for garbage.
- The Amateur by Robert Littell. The protagonist overhears his CIA superior telling how he escaped tracker dogs in WW2 by urinating into the snow, and later uses the same technique to escape tracker dogs behind the Iron Curtain.
- Animorphs had the Yeerks doing this with Taxxon trackers in one book.
- In John C. Wright's The Hermetic Millennia, the dog things invert; when they are done sniffing around, they howl in frustration at not finding the scent.
- In Andre Norton's Ice Crown, the Duke tries to invoke this by getting the hound master to make a bait for the escaped Imfray. When he is told of the problems owing to the duocorn mounts, he orders one killed for the bait, even though it might hunt the pursuers' horses. The hound master being Imfray's friend, making the bait takes too long for it to be useful.
- In Andre Norton's Storm Over Warlock, the Throgs have a creature that can track them, and gives an eerie howl when it has their scent. Unsurprisingly, the human name for it is "hound."
- In Ruth Frances Long's The Treachery of Beautiful Things, the fairy dogs bark all the way as they chase and hunt down the tracker who failed the queen.
Live Action TV
- MythBusters busted pretty much all of the traditional methods of throwing a dog off the scent: just about the only place you might conceivably lose a scent dog is in an urban environment, where there are too many other scents for the dog to concentrate on yours. Unless they're using a dog that has been specially trained to ignore all other city scents, as they demonstrated, in which case you're screwed.
- The 10th Kingdom. Tony has asked Prince to sniff for clues. Prince instantly responds that (since they're in a farming village) it's mostly excrement at ground level, and there are hundreds of minor scents. Tony then flatters Prince by saying that a master hunter like himself should be able to find the scent they want instinctively. Prince says, "Correct," and off they go.
- Leverage: A militia group uses hunting dogs to chase Eliot and Hardison in "The Gone-Fishin' Job".
- The Mission: Impossible episode "Bayou" opens with a girl who has escaped from a white slavery ring being chased through a swamp by a hunters with a pair of dogs.
- Game of Thrones. Season 6 opens with Sansa Stark and Theon Greyjoy fleeing Lord Bolton's bloodhounds, who catch up despite the fugitives crossing a river, and Theon trying to lead them off.
- "Ol' Red" is a tune about a prison guard dog with this ability and how a prisoner evades it. It takes years and help from the outside, but he manages to become the dog's handler, then gets the dog a girlfriend outside the prison walls. When he makes his escape, the dog disregards the scent of his old boss and chases down his poontang instead.
- In Limp Bizkit's music video for "Eat You Alive", police dogs are shown sniffing out the scent of the woman the band has kidnapped, and they give chase.
- Dungeons & Dragons: Most animals and some monstrous humanoids have the scent ability, which grants +4 to tracking checks if they can manage to pick up the scent. Tracking is based on the user's Survival, and any creature with the scent ability is guaranteed to have a high Survival-and scent is difficult to prevent (crossing a body of water is about the only guaranteed way to stop it).
- The Legend of Zelda: Twilight Princess is a game example, where you are the one who picks up The Scent (in wolf form,) with many different smells presented throughout the game.
- Discworld Noir.
- The titular hero in Batman: Arkham Asylum. With his (bat?)scanner, he can extract separate essenses (like tobacco stains or alcohol vapors) and then pinpoint them in the surroundings to track the smoker/drinker.
- Not exactly dogs, but in the opening cutscene of Halo 3, the Arbiter warns a group of humans about this, which results in this little exchange:
Arbiter: We must go. The Brutes have our scent.Sergeant Johnson: Then they must love the smell of (depending on the difficulty level) green/hero/badass/testosterone/a real man/Bulgari.
- In Evolve this is Daisy's basic purpose. She can find the monsters tracks, even when they are hidden due to sneaking, and follow them to the monster. While this is useful for remaining on the monster's trail it is less useful for actually pinpointing the monster due to its speed, necessitating players to anticipate the behavior of their foe. On the monster's side, it can smell all animals, hunters, and pieces of equipment within its smell range, as well as hunter tracks. This allows it to track the hunters or avoid them by detecting them first.
- In The Order of the Stick, at one point they follow Belkar's nose.
- In Quentyn Quinn, Space Ranger, the hunting snorf quickly picks up a scent, and announces it, from a description.
- In Rusty and Co., why you should not smoke: monsters hunt by smell.
- Schlock Mercenary makes use of the eponymous amorph ability to track by scent. Of course, this works only so far.
- In The Specialists, the dogs start to bay once on the trail.
- In Freefall, unleashing the hounds for this has complications.
- IN Red's Planet, the old man's dog barks and draws his attention to the aliens
- In Girl Genius, Inverted: the Sparkhund recognize their master's horn telling them ''he's'' hunting.
- In Buster Wilde Weerwolf, Buster can tell people's gender and orientation by their distinct smells.◊
- In the Classic Disney Short The Chain Gang, Mickey Mouse is pursued by a pair of bloodhounds after he escapes from prison. The bloodhounds are generally regarded as being the forerunners of Pluto the Pup.
- In the Family Guy episode "Back to the Woods", Peter and Brian try to search for Peter's wallet in a Chinese restaurant. Peter tries to get Brian to find it by forcing him to smell his ass (since that's where he last had it) and, despite the dog's initial disgust, he manages to pick up the scent and track it.
- Police dogs seem far more competent in The Simpsons than actual police. Some examples:
- In "There's No Disgrace Like Home", Eddie and Lou take a bloodhound named Bobo into Moe's; Bobo quickly starts to bark at Homer (seeing as he's the criminal they're looking for) but Eddie and Lou are too dumb to get the point, and take him out.
- Both Scraps and Laddie played the Trope pretty straight while sniffing out narcotics in "Weekend at Burnsie's" and "The Canine Mutiny".
- In "Who Shot Mr. Burns (Part 2)" Wiggum tries to use a rather vicious one to get Homer's scent using a handkerchief, but foolishly wipes his face and underarms with it first.
- Sniffy seemed like a good police dog until Wiggum told him to get Homer's scent via his underwear in "Natural Born Kissers". Poor Sniffy.