The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Condoms were originally made of animal intestines or linen.
347
A giraffe's kick is so powerful that it can decapitate a lion.
216
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cats recognise the voice of their owner, but never evolved to care.
22