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 oldest recorded elephant lived for 82 years.
213
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Bats sleep 18-20 hours per day.
5
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The colossal squid has the largest eyes in the world.
4