Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Condoms were originally made of animal intestines or linen.
347
Tigers can see 6 times better at night than humans.
305
When dragonflies mate, their tails form a love heart.
22