The EPA calls the toxicity of rotenone to wildlife and humans "low" and says no poisoning of birds or mammals would result from concentrations recommended for wiping out Asian carp.

美国环保署声称，鱼藤酮对野生动物与人类的毒性等级是「低」等级，建议用来消除亚洲鲤鱼的用量也不会对鸟类或哺乳动物造成毒害。

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Much of that increase has been in a herbicide called glyphosate (the active ingredient in Roundup and generic versions of it) and because glyphosate has negligible toxicity to birds, invertebrates and mammals, it has a much lower Environmental Impact Quotient (EIQ) than the herbicides it replaces.

FORBES: Bittman of the 'New York Times': Always Out To Lunch

In 1972, on the basis of data on toxicity to fish and migrating birds (but not to humans), the U.S. Environmental Protection Agency banned virtually all uses of DDT.

FORBES: Beyond Copenhagen