Saturday, August 20, 2005

Prostitution: it's not just for penguins anymore. Bonobos, one of our closest animal relatives, also seem to practice a form of prostitution:

A female bonobo shows extended receptivity and uses sex to obtain a male's favors when--usually because of youth--she is too low in social status to dominate him.

At the San Diego Zoo, I observed that if Loretta was in a sexually attractive state, she would not hesitate to approach the adult male, Vernon, if he had food. Presenting herself to Vernon, she would mate with him and make high- pitched food calls while taking over his entire bundle of branches and leaves. When Loretta had no genital swelling, she would wait until Vernon was ready to share. Primatologist Suehisa Kuroda reports similar exchanges at Wamba: "A young female approached a male, who was eating sugarcane. They copulated in short order, whereupon she took one of the two canes held by him and left."

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