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
Sloths take two weeks to digest their food.
243
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Early American humans hunted car-size armadillos and used their shells for houses.
12
A domestic cat can sprint at about 31 miles per hour.
274