Abstract:Patterns and body coloration have multiple functions in animals, including in social behavior. Bird coloration is affected by several factors which can result in several types of color aberrations, most being caused by genetic mutations. Although they have not been systematically quantified across multiple species and populations, chromatic disorders in birds are presumably rare. Brown is the most common heritable aberration, and Progressive Greying is the most common aberration in general, although most forms… Show more
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