An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
In Australia, there are spiders big enough to eat snakes.
20
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
A cow produces around 200,000 glasses of milk in her lifetime.
373
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Drivers kill more deer than hunters do.
660