Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A dairy cow can produce more milk when listening to music.
446
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2