Sheep, goats, octopuses, and toads have rectangular pupils.
7
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Whales and dolphins can't taste anything other than salt.
11
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The colossal squid has the largest eyes in the world.
4