Article
Evolutionary implications of divergent clines in an avian (Manacus: Aves) hybrid zone.
Evolution; international journal of organic evolution - 1 Oct 2001
Brumfield R T, Jernigan R W, McDonald D B, Braun M J
Abstract excerpt
A previous study of the hybrid zone in western Panama between white-collared (Manacus candei) and golden-collared manakins (M. vitellinus) documented the unidirectional introgression of vitellinus male secondary sexual traits across the zone. Here, we examine the hybrid zone in greater genetic and morphological detail. Statistical comparisons of clines are performed using maximum-likelihood and nonparametric...
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