La Tour du Valat

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Severe declines in numbers of male American Common Eiders Somateria mollissima dresseri during spring counts over the past two decades in the southwestern Bay of Fundy, Canada

Sarah E. Gutowsky, Auteur ; Mark L. Mallory, Auteur ; Nic R. McLellan, Auteur ; Gregory J. Robertson, Auteur ; Kevin Connor, Auteur ; Scott G. Gilliland, Auteur

Dans Wildfowl (74 December, 2024)

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Effect of Brood Size on Nestling Growth and Survival of Great Black-backed Gull (Larus marinus) Chicks

Scott G. Gilliland, Auteur ; C. Davison Ankney, Auteur ; Gregory J. Robertson, Auteur

Dans Waterbirds (39(2) APR 2016)

Morphology, body condition and survival of Great Black-backed Gull (Larus marinus) chicks raised in broods of different size in southern New Brunswick, Canada, were compared. The relationship between age and body size measurements taken from 68 [...]

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Morphological Variation among Herring Gulls (Larus argentatus) and Great Black-backed Gulls (Larus marinus) in Eastern North America

Gregory J. Robertson, Auteur ; Sheena Roul, Auteur ; Karel A. Allard, Auteur ; Cynthia Pekarik, Auteur ; Raphael A. Lavoie, Auteur ; Julie C. Ellis, Auteur ; Noah G. Perlut, Auteur ; Antony W. Diamond, Auteur ; Nikki Benjamin, Auteur ; Robert A. Ronconi, Auteur ; Scott G. Gilliland, Auteur ; Brian G. Veitch, Auteur

Dans Waterbirds (39(2) APR 2016)

Herring Gull (Larus argentatus) and Great Black-backed Gull (L. marinus) morphometric data from various eastern North American locations was collected to examine the sources of variation in body size within and among geographic regions. For Herr[...]

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