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STUDY SAYS POLLUTN MAK BIRDS GAY
As the level of mercury exposure creased, so did the gree and persistence of homosexual pairg. Mal that engaged homosexual pargs were also ls likely to swch partners om year to year, which Frerick says ibis tend to do if they have been unsuccsful matg durg their first breedg season. Frerick is ncerned that "people will read this and immediately jump to the ncln that humans eatg mercury are gog to be gay.
Metal may fluence sexual velopment whe ibis, expert birds that eat mercury-ntamated food show "surprisg" homosexual behavr, scientists have a recent experiment ptive whe ibis, many of the mal exposed to the metal chose other mal as "male-male pairs did everythg that a heterosexual pair would do, " said study lear Peter Frerick, a wildlife elogist at the Universy of Florida Gaville. "(Related: "Homosexual Activy Among Animals Stirs Debate.
A fourth ntrol group ate mercury-ee the birds had reached sexual matury at around a year old, homosexual bondg creased all three groups exposed to mercury.