Dogs have been man's pet for over 14,000 years.
224
Dolphins have names for one another.
18
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
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
Cats recognise the voice of their owner, but never evolved to care.
22
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40