Dr. John Hadidian was the Director of the Urban Wildlife Program and Senior Scientist for Wildlife at The Humane Society of the United States (HSUS) from 1996 to 2016 when he retired. Prior to that he was the Urban Wildlife Biologist for the National Park Service’s Center for Urban in Ecology in Washington, D.C., from 1985-1995.
Emeritus Director of the Urban Wildlife Program, The Humane Society of the United States
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