Only 3% of bird species have penises.
0
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Early American humans hunted car-size armadillos and used their shells for houses.
12
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Dolphins have names for one another.
18