publication . Article . Other literature type . 2008

Evolutionarily costly courtship displays in a wolf spider: a test of viability indicator theory

Hoefler, Chad D.; Persons, Matthew H.; Rypstra, Ann L.;
Open Access
  • Published: 01 Jan 2008 Journal: Behavioral Ecology, volume 19, issue 5, pages 974-979
The costs of secondary sexual traits are crucial to our understanding of sexual selection. Although it is broadly accepted that sexual traits are indirectly or directly costly to express, few studies have quantified such costs. Thus, it is unclear if costs are evolutionarily meaningful and to what degree. Costs play a key role in viability indicator models, which assume that 1) the expression of sexual traits reduces the fitness of the trait bearer, 2) sexual trait expression is dependent on condition, and 3) the costs of sexual trait expression are borne differentially, that is, they are less for individuals in good condition. Using 2 syntopic species of wolf s...
free text keywords: Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics
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