Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
In Australia, there are spiders big enough to eat snakes.
20
The largest earthworm on record was found in South Africa and measured 22 feet.
151
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Whales and dolphins can't taste anything other than salt.
11
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