Bird Plumage Variations and Abnormalities

Male Painted Bunting in his spectacular plumage : Tim Hopwood Variations in plumage can be based on the sex of the bird, its age, or seasonal changes caused by molting. Molting patterns are complex and even the experts do not have all the answers about how this process is controlled. This basic

Unusual Birds - FeederWatch

Plumage, Feathers, Coloration, Molt

Nuptial plumage, zoology

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Unusual Birds - FeederWatch

Protofeather, zoology

Unusual Birds - FeederWatch

Plumage abnormalities BTO - British Trust for Ornithology

Biomolecules, Free Full-Text

Feathers - Biology

Leucistic Northern Cardinal - FeederWatch

Surprising Animal Color Abnormalities