Cats recognise the voice of their owner, but never evolved to care.
22
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
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
The elephant brain weighs about 6,000g.
274
A domestic cat can sprint at about 31 miles per hour.
274
Dogs have been man's pet for over 14,000 years.
224