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Showing 1 to 8 of 8 for “"Birds -- Migration"”.
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Reproductive insularity in a migratory sparrow: A field study of Lincoln's sparrow populations in Southern California
… Bernardino and San Jacinto mountain ranges -- migrational return -- Dispersal - Morphometric analysis.
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Reproductive insularity in a migratory sparrow: A field study of Lincoln's sparrow populations in Southern California
… Bernardino and San Jacinto mountain ranges -- migrational return -- Dispersal - Morphometric analysis.
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Changes in Avian Capture Rate and Migration Phenology Across 37 Years at a Coastal Barrier Island in Georgia
Migration is one of the riskiest periods in a bird’s yearly cycle, and monitoring migratory trends helps us understand how birds are impacted by the changing world. Here, I present an analysis of 37 years of fall bird banding data collected at the Jekyll Island Banding Station in Georgia. Capture …
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A study of the geolocator attachment effects and migration timing of Louisiana waterthrushes and Worm-eating warblers
… advance, we can now follow movements of birds throughout a full-annual cycle. These breakthroughs are revealing information that was previously unknown for many species. Using light-level geolocators, my study follows Louisiana Waterthrushes and Worm-eating Warblers from four populations, …
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Relationship of human intrusion on avian body mass: Do recreationists hinder birds’ abilities to acquire fat during migration?
Many North American landbirds undergo biannual migration, which is energetically costly. Quality stopover sites are crucial to avian survival, as they provide opportunities to quickly replenish fat stores, rest, and avoid predation. One component of habitat quality that is often overlooked is the …
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Influence of body condition and homo- vs. heterosubtypic immunity on influenza A virus infection in mallard ducks : experimental infection data
… waterfowl and have only used captive-bred birds. We assessed how body condition affects susceptibility, viral shedding, and antibody production in wild-caught and captive-bred juvenile mallards challenged with IAV H5N9. We found wild mallards fed <italic>ad libitum</italic> were more …