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Published on Jun 24, 2012
A cute little jumping spider looks up at the camera (and I think he smiled). *my dog is chewing a bone in the background.
Phidippus audax is a common jumping spider of North America. It is commonly referred to as the daring jumping spider, or bold jumping spider. The average size of adults ranges from roughly 13 to 20 mm in length.
These spiders have been known to jump from 10 to 50 times their own body length by suddenly increasing the blood pressure in the third or fourth pair of legs. The male may jump away during mating if the female approaches too quickly. Like other jumping spiders, due to their large, forward-facing eyes, they have very good stereoscopic vision. This aids them when stalking prey, and allows some visual communication with others of their species, such as courting 'dances'.