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 2 of 2 for “"Neotropical birds"”.
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From Hormones to Genomes: Investigating Testosterone, Social Behavior, and Evolution In Manakins
… behavioral biology of manakins (Aves: Pipridae), neotropical birds notable for their unique polygynous breeding system. In Chapter I, I introduced the relationship between hormones, fitness, and behavior exploring the Cort-Fitness Hypothesis and the Challenge Hypothesis. Chapter II, I reviewed …
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Species Composition and Spatial Ecology of Amazonian Understory Mixed-Species Flocks in a Fragmented Landscape
… interactions are seen in mixed-species flocks of birds, which in the Amazon, represent one of the best organized systems of bird aggregations. In this research, I assess how flock spatial behavior and species compositions are affected by changes in habitat structure. I followed 29 mixed-species …