The elephant brain weighs about 6,000g.
274
Dogs have been man's pet for over 14,000 years.
224
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
The most expensive cow in the world was sold in 2009 for $1.2 million.
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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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23