Penguins have a gland above their eye that turns saltwater into freshwater.
12
Cats recognise the voice of their owner, but never evolved to care.
22
The oldest recorded elephant lived for 82 years.
213
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268