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
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Dogs sometimes fake being sick to get attention.
26
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17