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Documents disponibles écrits par cet auteur (7)
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Article
Hayley A. Spina, Auteur ; Amy E. M. Newman, Auteur ; Nathaniel T. Wheelwright, Auteur ; Daniel J. Mennill, Auteur ; Stéphanie M. Doucet, Auteur ; Joseph B. Burant, Auteur ; Sarah L. Dobney, Auteur ; Sarah D. Mueller, Auteur ; Greg W. Mitchell, Auteur ; D. Ryan Norris, AuteurMany birds produce two broods each year and exhibit significant intra-population variation in the length of time between the hatching of first and second broods (the inter-brood interval). Why within-population variation in inter-brood interval [...]
Article
Jackson W. Kusack, Auteur ; Greg W. Mitchell, Auteur ; Dean R. Evans, Auteur ; Michael D. Cadman, Auteur ; Jenny L. McCune, Auteur ; Keith A. Hobson, AuteurGlobally, grassland and farmland birds have experienced population declines due to habitat loss associated with increasing agricultural land-use intensity. These modified environments can reduce insect availability for aerial insectivorous birds[...]
Article
C. Myles Falconer, Auteur ; Greg W. Mitchell, Auteur ; Philip D. Taylor, Auteur ; Douglas C. Tozer, AuteurABSTRACT Bank Swallows (Riparia riparia) congregate in large nocturnal roosts during the non-breeding season. Scant evidence suggests that Bank Swallows may also congregate regularly in nocturnal roosts during the breeding period. To help clarif[...]
Article
Bradley K. Woodworth, Auteur ; Greg W. Mitchell, Auteur ; D. Ryan Norris, Auteur ; Charles M. Francis, Auteur ; Philip D. Taylor, AuteurDeparture decisions of songbirds at ecological barriers they encounter en route can strongly influence time, energy and survival costs of migration. To date, most field studies of departure decisions and their correlates have used indirect metho[...]
Article
Lauren F. Rae, Auteur ; Greg W. Mitchell, Auteur ; Robert A. Mauck, Auteur ; Christopher G. Guglielmo, Auteur ; D. Ryan Norris, AuteurRadio telemetry can be a valuable tool for studying the behavior, physiology, and demography of birds. We tested the assumption that radio transmitters have no adverse effects on body condition in an island population of Savannah Sparrows (Passe[...]
Article
Greg W. Mitchell, Auteur ; Nathaniel T. Wheelwright, Auteur ; Christopher G. Guglielmo, Auteur ; D. Ryan Norris, AuteurCosts of reproduction represent a common life-history trade-off. Critical to understanding these costs in migratory species is the ability to track individuals across successive stages of the annual cycle. We assessed the effects of total number[...]
Article
Greg W. Mitchell, Auteur ; Amy E. M. Newman, Auteur ; Martin Wikelski, Auteur ; D. Ryan Norris, Auteur1. Determining how events interact across stages of the annual cycle is critical for understanding the factors that affect individual fitness. However, there is currently little information detailing how breeding events influence migratory behav[...]
