| size dimorphism and avian-perceived sexual dichromatism in a new zealand endemic bird, the whitehead mohoua albicilla. | sex differences in behavior, morphology, and physiology are common in animals. in many bird species, differences in the feather colors of the sexes are apparent when judged by human observers and using physical measures of plumage reflectance, cryptic (to human) plumage dichromatism has also been detected in several additional avian lineages. however, it remains to be confirmed in almost all species whether sexual dichromatism is perceivable by individuals of the studied species. this latter ste ... | 2010 | 20058295 |