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Why do pigeons constantly bob their heads? Head bobbing is a common trait among ground birds like pigeons, pheasants, partridges, and chickens. Ornithologists call it the "optokinetic response", and it seems to help the birds' vision. Remember that a pigeon's eyes are set on the sides of its head, so that when it's walking around, the world sort of sails by in a confusing blur, like landscape viewed from a fast-moving train. The optokinetic response appears to compensate for this. The pigeon has a kind of inchworm gait. It jerks its head forward, then brings its body to meet it, then jerks its head forward again. The net result: The bird gets a series of fixed snapshot images, rather than a long, continuous blurry one. All major league baseball umpires must wear black underwear while on the job (in case their pants split) There is no single cat called the panther. The name is commonly applied to the leopard, but it is also used to refer to the puma and the jaguar. A black panther is really a black leopard. The average life span of a peasant during the medieval ages was 25 years. Moles are able to tunnel through 300 feet of earth in a day. For centuries, Spain's fishing fleet has been and still is one of the world's largest. The world's largest rodent is the Capybara, an Amazon water hog that looks like a guinea pig, it can weigh more than 100 pounds. An adult human head weighs about 12 lbs, (5.4kg), or the same as a light bowling ball. If you visit, bring sun block: Neptune's summer is 40 years long. Pnigophobia is the fear of choking. In Iowa, horses are forbidden to eat fire hydrants in Marshalltown. _________________________________________________________________ Don�t just search. Find. Check out the new MSN Search! http://search.msn.click-url.com/go/onm00200636ave/direct/01/ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/E-MAIL_TRIVIA/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
