Global ETD Search
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Showing 1 to 2 of 2 for “"structural plumage"”.
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Parental Investment and Male Ornamentation in the Eastern Bluebird (Sialis Sialis)
Bright plumage coloration in most birds is thought to be a product of sexual selection. Brighter, more-ornamented males are preferred by females because their plumage conveys information regarding the quality of the individual. One measure of male quality is willingness to invest in offspring. In …
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Testing the Urban Dulling Hypothesis in an Iridescent Passerine Bird
… carotenoid-colored species. However, iridescent plumage is understudied in general, and little is understood about how environmental changes shape iridescent plumage. This study seeks to identify and explain urbanization-induced coloration differences in an iridescent species for the first time. …