Female canaries cannot sing.
14
It was discovered on a space mission that a frog can throw up.
52
The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Dogs have four toes on their hind feet, and five on their front feet.
179
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The flea can jump 350 times its body length, that is like a human jumping the length of a football field.
32
Cattle are the only mammals that pee backwards.
33