A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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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
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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