The male seahorse carries babies and 'gives birth' to them instead of the female.
7
When dragonflies mate, their tails form a love heart.
22
The seahorse is the only fish to have a neck.
12
Sharks, like other fish, have their reproductive organs in their chests.
248
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11