There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
Dolphins have names for one another.
18
Tigers can see 6 times better at night than humans.
305