A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The cat brain weighs about 30g.
167
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Domestic pigs average a top speed of about 11 miles per hour.
182
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13