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 cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12