Abnormal plumage coloration can be both exciting and frustrating. Birders who see a leucistic bird are privileged to see a unique specimen, but without the predictable plumage patterns and colors it can be more challenging to identify the bird. Bird leucism can vary greatly, and examining different birds and studying how to identify them can help birders be prepared to see these unusual birds in the field.
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 American Robin |  Western Scrub-Jay |  Black-Billed Magpie |  Mandarin Duck |
 Black-Capped Chickadee |  Anna's Hummingbird |  American Coot |  Vermilion Flycatcher |
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