Friday, December 3, 2010

University of Florida: Pollution makes birds gay

A years-long study at the University of Florida suggests that mercury pollution can alter the hormones of white ibises to make males more likely to mate with other males.

"We knew that mercury can disrupt hormones -- what is most disturbing about this study is the low levels of mercury at which we saw effects on hormones and mating behavior," Peter Frederick, a wildlife ecology and conservation professor who led the study, said in a news release this week. "This suggests that wildlife may be commonly affected." The study was published online on Wednesday in the Proceedings of the Royal Society B.

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