Article
Adaptive advantages of cooperative courtship for subordinate male lance-tailed manakins.
The American naturalist - 1 Apr 2007
DuVal Emily H
Abstract excerpt
Male lance-tailed manakins (Chiroxiphia lanceolata) cooperate in complex courtship displays, but the dominant (alpha) partner monopolizes mating opportunities. This raises the question of why subordinates (betas) cooperate. Three nonexclusive hypotheses explain the adaptive basis of helping behavior by subordinate males: cooperation may increase (1) subordinates' immediate reproductive success, (2) the...
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