Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Early American humans hunted car-size armadillos and used their shells for houses.
12
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 most expensive cow in the world was sold in 2009 for $1.2 million.
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