When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A group of kittens is called a "kindle".
10
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Dolphins have names for one another.
18