When cats are happy, they may squeeze their eyes shut.
10
Male monkeys lose the hair on their heads in the same way men do.
41
The most powerful electric eel is found in the rivers of Brazil, Columbia, Venezuela, and Peru, and produces a shock of 400-650 volts.
45
Roosters can't crow if they can't fully extend their necks.
28
Dogs have been man's pet for over 14,000 years.
224
A group of geese on the ground is a gaggle, a group of geese in the air is a skein!
19
Vultures fly without flapping their wings.
97