The octopus does not have a blind spot.
273
A dairy cow can produce more milk when listening to music.
446
Penguins have a gland above their eye that turns saltwater into freshwater.
12
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14