Cats recognise the voice of their owner, but never evolved to care.
22
The oldest recorded elephant lived for 82 years.
213
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Female kangaroos have three vaginas.
2
Sharks, like other fish, have their reproductive organs in their chests.
248
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Drivers kill more deer than hunters do.
660