SUNY-College of Environmental Science & Forestry: 50% Decline in Mallard Population Sparks Research Efforts
October 16, 2019
October 16, 2019
NEW YORK, Oct. 16 -- The State University of New York's College of Environmental Science and Forestry issued the following news release:
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- Scientist: 'We don't know the mechanism' that is causing the drop
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The U.S. population of eastern mallards - dabbling ducks with distinctive green heads - has plunged inexplicably by 50 percent in the last 20 years, causing scientists to launch research into the birds' productivity, changes in the . . .
* * *
- Scientist: 'We don't know the mechanism' that is causing the drop
* * *
The U.S. population of eastern mallards - dabbling ducks with distinctive green heads - has plunged inexplicably by 50 percent in the last 20 years, causing scientists to launch research into the birds' productivity, changes in the . . .