Sadly, the characteristically charming red-and-black tails of the Madagascar denizen are becoming fewer and fewer. Due to habitat loss, the ring-tailed mongoose’s population has decreased by 20% over the past ten years.

Don’t be fooled by its cheerful coloring. Found exclusively in rainforest regions of Subsaharan Africa, the bush viper’s venom is very hemotoxic, can lead to severe hemorrhaging and in one instance has proved fatal. At the moment, no bush viper-specific antivenin exists.

Found in Myanmar, Bangladesh, Pakistan and–you guessed it–India, the Indian bullfrog is renown for its large size (some can be up to 15cm in length!) and dramatic coloring.