Joann Brennan

Joann Brennan

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Mallard Egg Research Testing Potential Chemical Contraceptives Designed to Manage Overabundant Canada Goose Populations. National Wildlife Research Center. Fort Collins, Colorado
Mallard Egg Research Testing Potential Chemical Contraceptives Designed to Manage Overabundant Canada Goose Populations. National Wildlife Research Center. Fort Collins, Colorado
Starling Research Lab, Flying Room. National Wildlife Research Center. Fort Collins, Colorado
Starling Research Lab, Flying Room. National Wildlife Research Center. Fort Collins, Colorado
Biologist Temporarily Anesthetizes a Prairie Dog to Reduce Stress While Drawing Blood in Reproduction Research. National Wildlife Research Center. Fort Collins, Colorado
Biologist Temporarily Anesthetizes a Prairie Dog to Reduce Stress While Drawing Blood in Reproduction Research. National Wildlife Research Center. Fort Collins, Colorado
Researchers, Exploring Strategies for Managing Black Vulture Populations, Prepare to Draw Blood From a Captured Black Vulture. National Wildlife Research Center. Gainesville, Florida
Researchers, Exploring Strategies for Managing Black Vulture Populations, Prepare to Draw Blood From a Captured Black Vulture. National Wildlife Research Center. Gainesville, Florida
Mallard Egg Contraception Research, located in the "Simulated Natural Environment Room." National Wildlife Research Center. Fort Collins, Colorado
Mallard Egg Contraception Research, located in the "Simulated Natural Environment Room." National Wildlife Research Center. Fort Collins, Colorado

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