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Impact of parental traits, offspring traits, and climate on parental care during the incubation stage in a tropical bird, The

Brannon, Sarah
Tarwater, Corey
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Many factors could play a role in individual variation in amount and length of parental care. We studied parental care during the incubation period of the Black-capped antshrikes (Thamnophilus atrinucha) in central Panama. Our comprehensive data set allowed us to determine the impacts of parental traits (age and sex), offspring traits (time of year and age of young), and climate (rain and temperature) on variation in parental care within the species. We found that an interaction between sex and age of the adult influenced incubation behavior, while time of the year and age of young did not alter incubation. Perhaps most important, was rain's significant impact on parental care, with more care in drier years. These results have conservation implications for future parental care, juvenile recruitment, and population trends of the antshrike in the face of a changing tropical climate.
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University of Wyoming. Libraries
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Keywords
Parental care , antshrike , nest , egg , rainfall , Ornithology
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