During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Dogs sometimes fake being sick to get attention.
26
Cats sleep for 70% of their lives.
8
Only 3% of bird species have penises.
0
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