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Article

Historical and Current Population Trends of Herring Gulls (Larus argentatus) and Great Black-backed Gulls (Larus marinus) in the New York Bight, USA

Brian E. Washburn, Auteur ; Susan B. Elbin, Auteur ; Christina Davis, Auteur

Dans Waterbirds (39(2) APR 2016)

During the 20th century, gull populations in North America experienced considerable changes in abundance and geographic ranges. The objective of this study was to describe population trends of Herring Gulls (Larus argentatus) and Great Black-bac[...]

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Article

Identifying Important Foraging Habitat for Colonial Waterbirds in an Urban Estuary: a Stable Isotope Approach

Elizabeth C. Craig, Auteur ; Susan B. Elbin, Auteur ; Jed P. Sparks, Auteur ; Paul D. Curtis, Auteur

Dans Waterbirds (38(4) DEC 2015)

Foraging habitat use by colonial waterbirds breeding in New York Harbor was examined to identify resources that were particularly important for the provisioning of young. Stable isotope values of carbon, nitrogen, and sulfur were measured in nes[...]

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