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
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The colossal squid has the largest eyes in the world.
4
The Basenji dog is the only dog that is not able to bark.
4
Cats sleep for 70% of their lives.
8
A scorpion can hold its breath for up to 6 days.
19