When their butts are on the line, scorpions sacrifice the holiest of holies in order to survive.
Today's A Moment of Science is about a creature who lends a whole new meaning to the phrase.
The woodpecker's tail and feet are designed to make pecking easier.
If you own more than one cat, you may already be aware that domestic cats have a very developed sense of pecking-order.
Are Opossums related to rats? Why do they enter a comatose like state?