Search Results - "Weathers, Wesley W"

Echoes of numerical dependence: responses of wintering waterbirds to Pacific herring spawns by Kelly, John P., Rothenbach, Christine A., Weathers, Wesley W.

“…We investigated the ecological importance of Pacific herring Clupea pallasii spawning activity to wintering waterbird numbers in Tomales Bay, California, USA…”
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Energetics of nestling growth and parental effort in Antarctic fulmarine petrels by Hodum, Peter J, Weathers, Wesley W

“…Antarctic fulmarine petrels breed in some of the coldest conditions encountered by any bird and their young grow twice as fast as predicted allometrically. To…”
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Altitudinal variation in parental energy expenditure by white-crowned sparrows by Weathers, Wesley W, Davidson, Charisse L, Olson, Christopher R, Morton, Martin L, Nur, Nadav, Famula, Thomas R

“…We used the doubly labeled water technique to measure daily energy expenditure (DEE) during the incubation and feeding nestling stages in two populations of…”
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Juvenile Foraging Proficiency, Parental Effort, and Avian Reproductive Success by Weathers, Wesley W., Sullivan, Kimberly A.

“…We measured the allocation of time and energy in a population of adult Yellow-eyed Juncos (Junco phaeonotus) and their young (nestlings, fledglings,…”
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Thermoregulatory Responses of Bridled and Juniper Titmice to High Temperature by Weathers, Wesley W., Greene, Erick

“…Bridled Titmice (Baeolophus wollweberi) and Juniper Titmice (B. ridgwayi) occur sympatrically in southeastern Arizona, with Bridled Titmice preferring habitats…”
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Egg Laying, Egg Temperature, Attentiveness, and Incubation in the Western Bluebird by Wang, Jennifer M., Weathers, Wesley W.

“…We present the first detailed information on egg laying, egg temperature (Tegg), and development of attentiveness and incubation in Western Bluebirds (Sialia…”
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Climatic adaptation in Svian standard metabolic rate by Weathers, Wesley W

“…The standard metabolic rate (SMR) of birds correlates broadly with climate of origin. SMR tends to be higher in birds from cold climates and lower in tropical…”
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Energetics and Thermoregulation by Small Passerines of the Humid, Lowland Tropics by Weathers, Wesley W.

“…Birds of the open, humid lowland tropics encounter challenging thermal conditions-high temperatures, high humidity, and intense solar radiation. I examined how…”
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Testosterone increases activity but not daily energy expenditure in captive male dark-eyed juncos, Junco hyemalis by Lynn, Sharon E., Houtman, Anne M., Weathers, Wesley W., Ketterson, Ellen D., Nolan, Val

“…Plasma testosterone (T) levels in male dark-eyed juncos peak early in the breeding season, then decline. If T enhances opportunities for reproductive success,…”
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Thermal Ecology and Ecological Energetics of California Spotted Owls by Weathers, Wesley W, Hodum, Peter J, Blakesley, Jennifer A

“…In this study, we used open-circuit respirometry and the doubly labeled water technique (DLW) to examine the thermal ecology and ecological energetics of…”
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Effects of weather on daily body mass regulation in wintering dunlin by Kelly, John P, Warnock, Nils, Page, Gary W, Weathers, Wesley W

“…We investigated the influence of changes in weather associated with winter storms on mass balance, activity and food consumption in captive dunlin (Calidris…”
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Effects of feeding time constraints on body mass regulation and energy expenditure in wintering dunlin (Calidris alpina) by Kelly, J. P.

“…We examined the effects of time-restricted feeding on regulation of body mass and activity energy expenditure in captive wintering dunlin (Calidris alpina)…”
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ENERGETICS OF ALTRICIAL NESTLINGS IN COLD CLIMATES: INSIGHTS FROM THE MOUNTAIN WHITE-CROWNED SPARROW by Weathers, Wesley W, Davidson, Charisse L, Morton, Martin L

“…We determined the energy budget of nestling Mountain White-crowned Sparrows (Zonotrichia leucophrys oriantha) at a 2900-m-high subalpine site by combining…”
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Replacement Males in the Western Bluebird: Opportunity for Paternity, Chick-Feeding Rules, and Fitness Consequences of Male Parental Care by Dickinson, Janis L., Weathers, Wesley W.

“…In western bluebirds (Sialia mexicana), most pairs remain together for life and share equally in post-hatching parental care. We removed resident males of…”
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Prey Size Influences Female Competitive Dominance in Nestling American Kestrels (Falco Sparverius) by Anderson, David J., Budde, Christa, Apanius, Victor, Juan E. Martinez Gomez, Bird, David M., Weathers, Wesley W.

“…Body size differences typically influence sibling competition among nestling birds. In many species hatching order determine nestling size rank; however,…”
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Assessing parental effort in a Neotropical parrot: a comparison of methods by SIEGEL, RODNEY B., WEATHERS, WESLEY W., BEISSINGER, STEVEN R.

“…Various behavioural or body condition indices are frequently used to measure avian parental effort. To determine which of the indices provide meaningful…”
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Energy Expenditure and Food Requirement of Cassin's Auklets Provisioning Nestlings by Hodum, Peter J., Sydeman, William J., Visser, G. Henk, Weathers, Wesley W.

“…We used the doubly-labeled water technique to measure the field metabolic rate (FMR) of free-ranging adult Cassin's Auklets (Ptychoramphus aleuticus) that were…”
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Energetic Benefits of Communal Roosting by Acorn Woodpeckers during the Nonbreeding Season by du Plessis, Morné A., Weathers, Wesley W., Koenig, Walter D.

“…We examined the thermal consequences, energy benefits and patterns of nighttime communal roosting in Acorn Woodpeckers (Melanerpes formicivorus) during the…”
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Winter and Breeding-Season Energetics of Nonmigratory White-Crowned Sparrows by Weathers, Wesley W., Christopher R. Olson, Siegel, Rodney B., Davidson, Charisse L., Famula, Thomas R.

“…The lives of most temperate-latitude birds are organized on an annual cycle that includes reproduction, molt, dispersal, and/or migration. Weathers et al used…”
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Growth and Energetics of Nestling Yellow-Eyed Juncos by Weathers, Wesley W., Sullivan, Kimberly A.

“…We calculated the energy budget of nestling Yellow-eyed Juncos (Junco phaeonotus) from measurements of their growth, field metabolic rate (FMR), and resting…”
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