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Article
Carolyn M. V. Currie, Auteur ; Emily S. Runnells, Auteur ; Gail K. Davoren, AuteurAlthough essential for survival, moult is energetically costly and has evolved to be temporally separated from other costly activities when resources may be limited. Wing-propelled pursuit divers in the family Alcidae (‘alcids’) with high wing l[...]
Article
Paloma C. Carvalho, Auteur ; Robert A. Ronconi, Auteur ; Leandro Bugoni, Auteur ; Gail K. Davoren, AuteurMoult is an energetically demanding period, during which flight may be impaired and foraging ranges may become constrained. During the non-breeding period, Great Ardenna gravis and Sooty Ardenna grisea Shearwaters migrate from South Atlantic bre[...]
Article
Edward J. Jenkins, Auteur ; Gail K. Davoren, AuteurDans Ibis (163(1) 2021)Shifting prey availability can lead to altered species interactions, indicated by variation in the dietary niche breadth and position of species within an assemblage. On the Newfoundland coast, annual inshore spawning migration of the dominant f[...]
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Laurie D. Maynard, Auteur ; Gail K. Davoren, AuteurThe influence of an unusual concentration of sea ice and breeding failure on the foraging movement patterns and habitat use of Great Black-backed Gulls (Larus marinas) was investigated. GPS loggers were deployed on three incubating females when [...]
Article
Kyle H. Elliott, Auteur ; Shoshanah R. Jacobs, Auteur ; Julian Ringrose, Auteur ; Anthony J. Gaston, Auteur ; Gail K. Davoren, AuteurBreeding Brunnich's guillemots Uria lomvia show stepwise mass loss at the time of hatch. This mass loss has usually been explained as an adaptation to reduce the cost of flight during the chick-rearing period because flight time increases during[...]
Article
Kyle H. Elliott, Auteur ; Gail K. Davoren, Auteur ; Anthony J. Gaston, AuteurAlthough many studies involve observations of parent birds feeding their young, few investigators have attempted to quantify possible sources of bias associated with such observations. To address this issue, we observed the provisioning behavior[...]
