Toucans take shelter in hollowed-out trees usually carved out by woodpeckers and have been the face of Fruit Loops for 50 years.
Tigers are the only cat species that are completely striped. Even their skin is striped.
Chipmunks can gather up to 165 acorns in a day and are fiercely territorial.
Eagles' eyes can't move around too much in their eye sockets, but they can rotate their head around 270 degrees to compensate.
A panda paw has six digits, which consists of five fingers and an opposable pseudo-thumb, used to hold bamboo while eating.
Only males are actually peacocks. Females are called peahens. Collectively, they're all known as peafowl.
Some whales imitate human speech, but their closest living relatives are the hippos.
Zebras sleep standing up and are believed to be one of few mammals that see in color.
Despite such long necks, giraffes actually have the same number of neck vertebrae as humans (seven). Their heart is two-feet long and weighs 25 pounds.
The cougar, mountain lion, and puma are all the same animal. They are not considered "big cats" because they do not roar.