One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
There are approximately three chickens for every human on Earth.
13
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
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
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
The elephant brain weighs about 6,000g.
274
The Basenji dog is the only dog that is not able to bark.
4
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268