YMMV / FunJungle

• Broken Base: While few fans think the series is experiencing Sequelitis, some people wonder whether the most recent books are still good because they keep things fresh by venturing away from the zoo setting or are still good due to high quality writing but lose something by leaving behind the setting that attracted fans in the first place.
• Ensemble Dark Horse:
  • Security guard Kevin Wilks (who has tertiary roles in two books and cameo roles in two others) is a fan favorite for his hilarious but likable Good Is Dumb characterization and Accidental Hero moment in the fourth book.
  • Dinosaur-obsessed rocket scientist Harper Weems only appears in Tyrannosaurus Wrecks, but is one of the better-liked one-shot suspects.
  • Lovable Jocks Dash and Ethan are less prominent than Teddy's other friends, but tend to get good reactions when they do show up for having some good Bully Hunter moments and humorous dialogue about how Ethan is an Agent Mulder.
  • FunJungle employee Kristi Sullivan, who has a major role in the second book but is Demoted to Extra afterward. Fans appreciate how nice she is to Teddy and how she is also used to explore the important message that someone can love animals but not be qualified to care for them (which leads to her changing jobs from zookeeper to PR spokesperson after her bosses realize this).
• Hilarious in Hindsight: Walter Ogilvy's failed rival zoo/theme park ZooTopia is first mentioned in a book written two years before the movie Zootopia came out.
• Karmic Overkill: During the Time Skip between the second and third books, park manager Tracey Boyd has a nervous breakdown over the PR disaster of the koala abduction and loses her job. This feels like it is being written to punish Tracey for threatening to fire Teddy's parents after he was accused of the abduction, but she only did so under orders from J.J., and gave Teddy plenty of chances and resources to prove his innocence and change her mind.
• Older Than They Think: Belly Up is an eco-conscious comedic mystery-thriller book set in a theme park where an animal attraction that is popular with visitors but not the staff was sold to the park under a false name by another park desperate to get rid of him, and has a history of injuring people and being a source of mocking Toilet Humor dies due to the actions of a corrupt security guard after swallowing evidence of a crime that fell into its pen. The same thing is true of the Carl Hiaasen book Native Tongue, published almost two decades earlier, although the death of Orky the Killer Whale^note  who chokes to death on the dead body of a would-be whistleblower who is dumped into his tank is a fairly minor part of Native Tongue while the death of Henry the Hippo^note  Who is fed food laced with jacks so his killer can retrieve a bag of diamonds that he'd swallowed drives the plot of Belly Up.
• Paranoia Fuel: Life at the world's most idyllic zoo can be a bit unnerving when villains repeatedly sabotage exhibits to release territorial and dangerous animals (sometimes specifically to try to kill Teddy or one of his friends (even if most of their threats can be quickly mitigated by knowing how to behave around the animal)) or cause the heroes to fall into their enclosures. Even more creepy is how it's repeatedly mentioned that a black mamba that was released to frighten or kill Teddy in the first book has yet to be recaptured and is probably still lurking around in some dark corner of the park.
• They Wasted a Perfectly Good Character: Athmani Okeke, a South African game warden turned FunJungle security consultant. His intelligence, good sense of humor, rapport with the Fitzroys, and experience fighting murderous Evil Poachers in Africa (when the regular cast are all American) make him interesting to read about, and many fans are disappointed that he only appears in Big Game. While his being the Fallen Hero villain of that book is an effective twist, some readers would have liked it better if he was innocent and remained a recurring character.