A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When you shave a guinea pig it looks like a little hippo.
19
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11