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 15 of 15 for “"bluebird"”.
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Parental Investment and Male Ornamentation in the Eastern Bluebird (Sialis Sialis)
… 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 defend …
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BlueBird: national-scale real-time crop cover classification using multi-stage deep learning approach
… we present a deep-learning- based method, named BlueBird, to accurately classify crop cover types in real-time at the national scale. BlueBird consists of three sub-models: prior-knowledge model, real-time optical model, and real-time weight model. Historical planting information, sequence of …
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Estimating the Impact of House Sparrows on Eastern Bluebird Reproductive Success Across an Urban Gradient
… 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 nests from …
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The Consequence of Anthropogenic Disturbance on Communication and the Operation of Sexual Selection in the Eastern Bluebird (Sialia Sialis)
… 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 mouths …
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Utilization of natural nest sites by Eastern Bluebirds in southwestern Virginia
Eastern Bluebirds (<i>Sialis sialis</i>) were found to be utilizing natural nest sites in the vicinity of Blacksburg, Virginia, during 1976 and 1977. Forty-seven natural nest sites, 37 in fencepost cavities and ten in tree cavities were discovered by driving roads in rural areas, scanning fencerows …
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Analysis and sourcing of the mechanical equipment required for a ceramic pot filter production facility
… mixers researched, the mixer made by RDI-C, the Bluebird 24S mixer, and the mixer designed by Prof. Manny Hernandez all satisfy the requirements of Pure Home Water. The pug mill recommended for Pure Home Water was the Venco 75mm pug mill. The Mani Press and the paraboloid molds were also …
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Violence and the other in the novels of Carmel Bird
… and irony in the novels Cherry Ripe (1985), The Bluebird Café (1990), The White Garden (1995), Red Shoes (1998), Cape Grimm (2004), Child of the Twilight (2010) and Family Skeleton (2016) to expose the ways these multiple forms of violence intersect and inform one another. Chapter One argues that …
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The nest defense and nest-destroying behaviors of house wrens
… against the house wren model compared to the bluebird or cowbird model in the egg stage but showed no differences among model species in the nestling stage. Females exhibited no defense differences among model species. Male defense levels were affected by their breeding strategy, as attentive …
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Effect of nestling sex ratio on the provisioning behavior of adult Eastern Bluebirds (Sialia sialis)
… has been reported in one population of Eastern Bluebirds (<em>Sialia sialis</italic>) and attributed to local resource competition. To better understand this behavior, I studied the provisioning behavior of Eastern Bluebirds in Madison County, Kentucky, in 2004. I experimentally manipulated …
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Assessing vegetation reestablishment on disturbed high mountain lakeshores following historic dam removal in Rocky Mountain National Park, Colorado, USA
… plots established at the disturbed lakeshores of Bluebird, Sandbeach, and Pear Lakes. However, no further published analyses of data were made available, and until 2014 the vegetation at these lakeshores had not been surveyed to determine longer-term effects of damming and dam removal to …
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Winter Behavior and Ecology of Eastern Bluebirds (<i>Sialia sialis</i>): Home Ranges, Habitat Use, and Effect of Weather on Foraging Behavior
<p>Eastern bluebirds (<em>Sialia sialis</em>) are widespread across eastern North America, but populations appear to be susceptible to extreme winter weather. Declines in population following cold winters in states like Kentucky suggest the need to better understand winter-specific habitat …
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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
… 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 were 15-18 …
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Vocal responses of adult Eastern Bluebirds (Sialia sialis) to potential nest predators and the behavioral responses of nestlings
… 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 - July 2013 …
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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
… 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 eight …