Trading Sex For Cash is a Basic Animal Behavior: Who Knew?

The World's Most Naked Protesters

• The World's Most Naked Protesters

  A People for the Ethical Treatment of Animals (PETA) activist shows posters and raise their red-painted hands in a show of protest against bullfights, Monday Feb. 11, 2008 in Paris. (AP Photo/Jacques Brinon)

• The World's Most Naked Protesters

  Jennifer Knox, an animal rights activist from Norfolk, VA, protests from a mock cage in front of the White House March 13, 2001 in Washington, DC. The nearly naked Knox, who painted her body orange with tiger stripes, was protesting the treatment of animals traveling with the Ringling Bros. and Barnum & Bailey Circus. The circus is scheduled to arrive in Washington on March 22. (Photo by Alex Wong/Newsmakers)

• The World's Most Naked Protesters

  Bargeshagen, GERMANY: A naked anti-G8 activist dances during a demonstration in Bargeshagen, northeastern Germany, on the second official day of the G8 Summit, 07 June 2007. Thousands of demonstrators blocked roads leading to the Group of Eight summit asa massive security operation to counter protests got under way. AFP PHOTO DDP/SEBASTIAN WILLNOW GERMANY OUT (Photo credit should read SEBASTIAN WILLNOW/AFP/Getty Images)

• The World's Most Naked Protesters

  Paris, FRANCE: A French naked cyclists from Velorution association rides during a worldwide naked cycling protest against cars, gas emission and agressive drivers through the streets of Paris, 09 June 2007, despite the interdiction of French Police Prefecture. AFP PHOTO JOEL SAGET (JOEL SAGET/AFP/Getty Images)

• The World's Most Naked Protesters

  Lima, PERU: Peruvian model Reina Loo (R) on her way to the fountain of the Plaza Mayor in Lima, 13 March 2007 where she will pose almost naked with the Chilean flag painted on her body as a protest against the maritime treaty boundaries between Peru and Chile. On March 12 the Chilean Foreign Affairs Ministry postponed the broadcast of a documentary about 1879 Pacific War between Chile, Peru and Bolivia. The treaty boundaries between the three countries are still a source of diplomatic controversies. AFP PHOTO/JAIME RAZURI (Photo credit should read JAIME RAZURI/AFP/Getty Images)

• The World's Most Naked Protesters

  A New South Wales police officer, left, escorts demonstrators from the animal rights group People for the Ethical Treatment of Animals (PETA) from a protest on Sydney's waterfront Wednesday, Feb. 27, 2008. PETA held a "nude" protest as part of their worldwide fight to end the Running of the Bulls in Pamplona and bullfights throughout Europe. (AP Photo/Mark Baker)

• The World's Most Naked Protesters

  Nude cyclists ride through Piccadilly Circus during the fourth annual World Naked Bike Ride on June 9, 2007 in London, England. Cyclists in Britain took to the streets for the World Naked Bike Ride (WNBR), in protest against global oil dependency. (Photoby Daniel Berehulak/Getty Images)

• The World's Most Naked Protesters

  Nearly nude People for the Ethical Treatment of Animals (PETA) member Amy Jannette wears plaid body paint as she holds a sign protesting the use of fur by the Burberry clothing company, 29 May 2007, outside a Burberry store in New York. AFP PHOTO/Stan HONDA (Photo by STAN HONDA/AFP/Getty Images)

• The World's Most Naked Protesters

  Nude anti-globalization protesters lie down to spell "No A La OMC" (No To The WTO) during a protest against the upcoming WTO meeting in Cancun, Mexico, Monday, Sept. 8, 2003. (AP Photo/Jaime Puebla)

• The World's Most Naked Protesters

  Brazil's Lina Barbieri, a protestors from People for the Ethical Treatment of Animals hold a sign as she stands stripped down to her underwear, on Amsterdam's central Dam square, Netherlands, Tuesday Feb. 12, 2008, to protest bullfighting in Spain and Portugal. Protestor Lauren Bowey said PETA plans similar protests around European capitals in the coming year, because tourists attending bullfights help keep them in operation. (AP Photo/Peter Dejong)