The elephant brain weighs about 6,000g.
274
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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
Sharks have been on the planet longer than trees.
14
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8