The colossal squid has the largest eyes in the world.
4
Squirrels forget where they hide about half of their nuts.
698
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
Mosquitoes don't just bite you, they also pee on you.
11
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9