Sheep, goats, octopuses, and toads have rectangular pupils.
7
Lobsters have blue blood.
476
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
Giant Anteaters' front legs look like a panda.
48
Tigers can see 6 times better at night than humans.
305
A group of kittens is called a "kindle".
10