Piebald robin known for white patches caused by lack of pigment
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Piebaldism - Dermatology Advisor
NYS Department of Environmental Conservation - Have you ever seen a bird with white or faded patches of feathers, mixed in among its normal plumage, like our little American Robin friend, here?
Albino Robin
Has a piebald American robin been spotted in Squamish? - Squamish Chief
American Robin With White Spots - Online Field Guide
Back Yard - York, Pennsylvania : r/whatsthisbird
Albino Robin
Some really cool coloring! : r/DOG
Great Plains Connections: What Is That White Bird? •Nebraskaland Magazine
What's in a name? Nomenclature for colour aberrations in birds reviewed
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por adulto (o preço varia de acordo com o tamanho do grupo)
