Gorillas can catch human colds and other illnesses.
205
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When cats are happy, they may squeeze their eyes shut.
10
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Bats sleep 18-20 hours per day.
5
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Drivers kill more deer than hunters do.
660