2022
DOI: 10.1371/journal.pone.0269860
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Color and morphological differentiation in the Sinaloa Wren (Thryophilus sinaloa) in the tropical dry forests of Mexico: The role of environment and geographic isolation

Abstract: The role and the degree to which environment and geographic isolation contribute to phenotypic diversity has been widely debated. Here, we studied phenotypic variation (morphology and plumage reflectance) in the Sinaloa Wren, an endemic bird distributed throughout the tropical dry forest (TDF) on the Mexican pacific slope where a pronounced variability in environmental conditions has been reported. In particular, we aimed: 1) to characterize phenotypic variation between subspecies; 2) to analyze the relationsh… Show more

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Cited by 2 publications
(6 citation statements)
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“…For instance, male populations of the variable antshrike ( Thamnophilus caerulescens ) with a ventral rufous coloration are found in warm regions, while males with white, black and grey are found in humid regions [9]. These studies provide evidence supporting the hypothesis that humidity and temperature play significant roles in driving the evolution of phenotypic traits in animals [9,11,18].…”
Section: Introductionmentioning
confidence: 77%
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“…For instance, male populations of the variable antshrike ( Thamnophilus caerulescens ) with a ventral rufous coloration are found in warm regions, while males with white, black and grey are found in humid regions [9]. These studies provide evidence supporting the hypothesis that humidity and temperature play significant roles in driving the evolution of phenotypic traits in animals [9,11,18].…”
Section: Introductionmentioning
confidence: 77%
“…Evidence for Bergmann's rule is contradictory in birds, mammals and insects (e.g. [7,11,24,83,84]). A review study that considered the body geographical variation in 92 species of North American birds revealed that 42% of these species supported Bergmann's rule, 12% provided weak or ambiguous support, 16% showed no association between latitude or latitude, and in 29% of the species the patterns observed contradicted the rule [85].…”
Section: Brunneicapillus)mentioning
confidence: 99%
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