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#peafowl dimorphism #peacock plumage #bird coloration #animal dimorphism #sexual selection

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#flamingo diet #filter feeder #shrimp diet #bird coloration #carotenoids

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#common mynah #indian mynah #bird coloration #black bird yellow beak #bird appearance

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#duck head pattern #pintail colors #black white bird head #waterfowl markings #bird coloration