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A Comparative Behavioral Study of Three Greater Sage-Grouse Populations

Sonja E. Taylor and Jessica R. Young
The Wilson Journal of Ornithology
Vol. 118, No. 1 (Mar., 2006), pp. 36-41
Stable URL: http://www.jstor.org/stable/20455824
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A Comparative Behavioral Study of Three Greater Sage-Grouse Populations
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Abstract

We compared male strut behavior of the genetically distinct Lyon, Nevada/Mono, California Greater Sage-Grouse (Centrocercus urophasianus) population with that of two proximal populations: Nye, Nevada, and Lassen, California. We measured strut rates and nine acoustic components of the strut display in all three populations. Male strut rates did not differ among populations. Acoustic components of the Lyon/Mono and Lassen populations were similar, whereas the Nye population was distinct. The genetically distinct Lyon/Mono population was more similar behaviorally to the Nye population than the genetically similar Nye and Lassen populations were to each other. Overall, the Lyon/Mono population did not exhibit detectable differences in male strut behavior. Reproductive isolation through sexual selection does not appear to have occurred in the Lyon/Mono population.

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