The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
The Basenji dog is the only dog that is not able to bark.
4
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10