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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
Published by: Wilson Ornithological Society
Stable URL: http://www.jstor.org/stable/20455824
Page Count: 6
You can always find the topics here!Topics: Population genetics, Whistles, Grouse, Population estimates, Mating behavior, Genetics, Ornithology, Sexual selection, Strutting, Population characteristics
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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.
The Wilson Journal of Ornithology © 2006 Wilson Ornithological Society