Tigers can see 6 times better at night than humans.
305
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Only 3% of bird species have penises.
0
Moths are unable to fly during an earthquake.
328
Condoms were originally made of animal intestines or linen.
347