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Showing 1 to 10 of 10 for “"American Robin"”.
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Female Ornamentation in the American Robin
… quality are high. I investigated this in the American robin (Turdus migratorius), a socially monogamous species with bi-parental care and variable female ornamentation. Female robins display conspicuous red breast plumage, bright yellow bills, and achromatic ornamentation. Female ornamentation …
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Behavioral characteristics and hormonal mechanisms of egg ejection in the American robin (Turdus migratorius)
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Impacts of elk management and riparian condition on songbirds in Rocky Mountain National Park
… predictor for the density of Wilson's Warblers. American Robin, a habitat generalist, and ground-nesting and foraging guilds did not respond strongly to shrub cover or height at any scale. These results reflect the variable shrub conditions inside and outside exclosures, and affirm that managing …
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Reproductive Decisions in American Robins (Turdus Migratorius): Relationships Among Paternity Allocation, Parental Care, Plumage Variation, and Mate Choice
… (EPP), parental care, and mate choice in the American robin, Turdus migratorius, a socially monogamous, multi-brooded songbird. Reproductive success in American robins was strongly influenced by the number of nesting attempts made in a single breeding season and the likelihood of making …
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Effects of Harvesting Ponderosa Pine on Birds in the Black Hills of South Dakota and Wyoming
… solitaire (Myadestes townsendi) (P = 0.04), American robin (Turdus migratorius) (P < 0.01), chipping sparrow (Spizella passerina) (P < 0.01), and dark-eyed junco (Junco hyemalis) (P < 0.01) were more abundant in harvested ponderosa pine stands. Species richness (P = 0.27) and species …
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Perceived Predation Risk And The Responses Of Adult And Nestling Tree Swallows (tachycineta Bicolor)
… chipmunk (Tamias striatus), a study skin of an American Kestrel (Falco sparverius), and a rubber model of a black rat snake (Pantherophis obsoletus), as well as a study skin of an American Robin (Turdus migratorius) used as a control. Experiments began at nests when nestlings were 12 or 13 days …
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Post-fire vegetation and bird habitat use in piñon-juniper woodlands
… piñon seed disperser, used all habitats equally. American Robin had the highest habitat use in the recent burned patches. Obligate and semi-obligate bird species had differing responses to habitat types, with the habitat use of Ash-throated Flycatcher and Spotted Towhee not differing across …
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Urban wildlife species detection, species richness, and community shifts along a gradient of urbanization in an agriculturally embedded landscape using passive and active methods
… White-tailed jackrabbit (Lepus townsendii), American Robin (Turdus migratorius), Rock pigeon (Columba livia), and Fox squirrel. The method and species were the most important factors influencing detection probability, but time was not important for detection probability. This may be due to …
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Impacts of host biology on the urban eco-epidemiology of West Nile virus
… behavior of an important host species, the American robin (Turdus migratorius, hereafter robins), and results in decreased individual risk of West Nile virus exposure for social individuals compared to non-social birds. Using sentinel birds, I determined that birds which did not participate …
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Host recognition and fitness costs of avian brood parasitism
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms