Graduation Term

4-6-2015

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

School of Biological Sciences

Committee Chair

Joseph M. Casto

Abstract

Across a wide range of avian taxa, eggs within clutches hatch asynchronously, placing later hatched nestlings at a disadvantage. Here, we explore the proximate and ultimate causes of hatching asynchrony within European starlings, Sturnus vulgaris. Specifically, we investigate the effect of ambient temperature on egg viability and incubation behavior prior to clutch completion. Additionally, we examine the potential for storage time and maternally-deposited yolk testosterone to influence rates of embryonic development and hatching patterns within European starlings.

DOI

http://doi.org/10.30707/ETD2015.Hanser.J

Page Count

75

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