Condoms were originally made of animal intestines or linen.
347
The reindeer is the only mammal that can see UV light.
17
The largest breed of rabbit is the Flemish Giant.
65
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When cats are happy, they may squeeze their eyes shut.
10
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27