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Foraging Ecology of Tree Swallows Site Use Diet
Foraging Ecology of Tree Swallows Feeding Rates
Changes in the Energetics of Thermoregulation with
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adult aerial insect aerial insectivores altricial ambient temperature Animal Ecology ANOVA artificial nestling bank swallows birds body components bolus Brachycera brood coeff coefficients Condor correlated cost of thermoregulation dead nestlings decrease diet samples Diptera dry mass Ecology effects on growth Energetics energy environmental conditions environmental variables experimental feather growth fledging food supply growth of nestling growth rates hatch day healthy nestlings Hemiptera Hirundinidae house martin insect abundance internal organs Ithaca Log Bug Index Mann-Whitney McCarty measured metabolic rate Nematocera nest nestling age nestling growth nestling mass nestling period nestling tree swallows O'Connor observed Odonata Oecologia old nestlings p-value parents passerines path analysis path diagram pattern pectoralis muscles percent plankton Ponds Units post-fledging survival Purple Martin Quinney reproductive success Ricklefs selection short-term significant significantly species suction trap swallows of different swallows Tachycineta bicolor Table taxa thermoregulation tree swallows Tachycineta variation weather white-fronted bee-eaters Winkler y-intercept young nestlings