Cows can sleep standing up, but they can only dream lying down.
745
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Condoms were originally made of animal intestines or linen.
347
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
A group of pugs is called a grumble.
10