Article
Microsatellite DNA analysis shows that greater sage grouse leks are not kin groups.
Molecular ecology - 1 Dec 2005
Gibson Robert M, Pires Debra, Delaney Kathleen S, Wayne Robert K
Abstract excerpt
The spectacular social courtship displays of lekking birds are thought to evolve via sexual selection, but this view does not easily explain the participation of many males that apparently fail to mate. One of several proposed solutions to this 'lek skew paradox' is that kin selection favours low-ranking males joining leks to increase the fitness of closely related breeders. We investigated the potential for kin...
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