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Cornell University

January 2022

A Bald Eagle in flight

As the number of American bald eagles has continued to soar in recent years, Cornell researchers are now warning the species’ reemergence is being threatened by lead poisoning from gun ammunition. 
Bald Eagle radiograph from Avian Haven

Bald eagle populations have slowly recovered from near devastation after the government banned DDT in 1972, but another ongoing issue has weakened that rebound – lead poisoning from gunshot ammunition.
A Bald Eagle shown eating at a deer carcass

For Your Information

Bald eagles are considered a recovery success in the U.S. after rebounding from near extirpation due to widespread use of DDT. Although abundances of bald eagles have increased since DDT was banned, other contaminants have remained in the environment with unknown influence on eagle population trends.
Four-toed salamander byTodd Pierson

Environmental DNA techniques can detect a deadly virus in amphibian ponds, giving wildlife managers critical information about how to best protect vulnerable amphibian species.
A portrait of Krysten Schuler

The National Deer Association names Cornell's Dr. Krysten Schuler as its 2021 Professional Deer Manager of the Year, in recognition of her work to help slow the spread of chronic wasting disease.
A Fisher shown in a tree

The New York State Department of Environmental Conservation recently renewed the New York State Wildlife Health Program for $6.4 million over five years. This partnership has enabled Cornell to work with the state’s wildlife biologists on threats that affect all of New York's wildlife.