A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A 42-foot sperm whale has about 7 tons of oil in it.
209
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
Dogs sometimes fake being sick to get attention.
26
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6