Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Eastern Bluebird"”.
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Parental Investment and Male Ornamentation in the Eastern Bluebird (Sialis Sialis)
… with structural plumage coloration in male Eastern Bluebirds (Sialia sialis). I found there was no correlation between nestling provisioning and nest defense for males or females. Males with brighter UVblue plumage tend to provision nestlings at higher rates and more-ornamented males tend to …
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Estimating the Impact of House Sparrows on Eastern Bluebird Reproductive Success Across an Urban Gradient
… reproductive success in Northeast Ohio of the Eastern Bluebird (EABL), a native species whose population is managed via artificial nest box placement and maintenance. To do so, I attempted to found rural and urban EABL populations to assess whether the expected high number of discarded HOSP …
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The Consequence of Anthropogenic Disturbance on Communication and the Operation of Sexual Selection in the Eastern Bluebird (Sialia Sialis)
… I tested whether nestling mouth coloration in Eastern bluebirds (Sialia sialis) was a signal of quality, and if a parents ability to discriminate among the mouth coloration of their nestlings was affected by level of human disturbance. I found that the perceived color contrast of nestling …
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Effect of predator type, season, brood size, and West Nile Virus infection on the nest defense behavior of male and female Eastern Bluebirds
… on the nest defense behavior of male and female Eastern Bluebirds (Sialia sialis). Eastern Bluebirds were studied from March to August 2003 at the Blue Grass Army Depot. Adult and nestling Bluebirds were captured, measured, banded, and blood was drawn. Nest defense was examined when nestlings …
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Vocal responses of adult Eastern Bluebirds (Sialia sialis) to potential nest predators and the behavioral responses of nestlings
… the objectives of my study of cavity-nesting Eastern Bluebirds <em>(Sialia sialis)</em> were to examine (1) the vocal responses of adult Eastern Bluebirds to different predators, and (2) the behavioral responses of nestlings to those adult vocalizations. My study was conducted from April - …
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Possible Role Of Breeding Phenology, Brood Size, And Male Parental Care On The Number Of Nesting Attempts By Female Eastern Bluebirds, A Facultatively Multibrooded Species
… on the number of nesting attempts by female Eastern Bluebirds (Sialia sialis) during a single breeding season. My study was conducted at the Blue Grass Army Depot in Madison County, Kentucky, from mid-March to mid-August 2018. I monitored the nests of 39 first broods, 34 second broods, and …