Roosters can't crow if they can't fully extend their necks.
28
If it isn't moving a frog can't see it. If the frog can't see it, he won't eat it.
28
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur!
104
Lake Nicaragua in Nicaragua is the only fresh water lake in the world that has sharks.
28
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Lobsters have blue blood.
476
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34