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The invisible toll of bird flu on wildlife

Fortunately, many of the mammals in the U.S. being reported ill or dead with avian influenza are of common species. Infected red foxes, coyotes and raccoons, for instance, are appearing relatively frequently—but not at nearly the scale of the marine mammal mass mortalities. And these are plentiful species, says David Drake, an urban wildlife ecologist at the University of Wisconsin-Madison, so he isn’t too concerned.