In recent years, there has been increasing recognition that methylmercury affects fish and wildlife health, both in acutely polluted ecosystems and ecosystems with modest methylmercury levels. Two reviews[8][29] document numerous studies of diminished reproductive success of both fish, fish-eating birds, and mammals due to methylmercury contamination in aquatic ecosystems.
Researcher Peter Frederick suggests methylmercury may increase male homosexuality in birds: Except a control group, all of 160 captured young ibises were given small amounts of methylmercury with their food. The reproductive behaviour of these coastal wading birds changed in such a way, that the more methylmercury was ingested the more male birds choose to build nests with other males, and snub females.[30] However, the building of nests with other males does not necessarily point to "homosexual" behavior, but rather non-sexual psychological disorder
In recent years, there has been increasing recognition that methylmercury affects fish and wildlife health, both in acutely polluted ecosystems and ecosystems with modest methylmercury levels. Two reviews[8][29] document numerous studies of diminished reproductive success of both fish, fish-eating birds, and mammals due to methylmercury contamination in aquatic ecosystems.Researcher Peter Frederick suggests methylmercury may increase male homosexuality in birds: Except a control group, all of 160 captured young ibises were given small amounts of methylmercury with their food. The reproductive behaviour of these coastal wading birds changed in such a way, that the more methylmercury was ingested the more male birds choose to build nests with other males, and snub females.[30] However, the building of nests with other males does not necessarily point to "homosexual" behavior, but rather non-sexual psychological disorder
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