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
Cows can sleep standing up, but they can only dream lying down.
745
A group of kittens is called a "kindle".
10
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
When cats are happy, they may squeeze their eyes shut.
10
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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