Masked robin

Mutant robin (Turdus migratorius) with mask of white plumage. I suspect the leucism  was congenital because the patches were located on several parts of the body (injury and parasites can sometimes cause regrowth to be white).  Regardless of cause, it’s a good look. Spotted on the campus of Swarthmore College, Swarthmore, Pennsylvania.

Colin Purrington Photography: Birds &emdash; Leucistic American robin
Robins seem to be famous for leucism (Gross 1965), as a Google image search will confirm.  If you’d like to see some even stranger birds, check out this page from Cornell University.

About Colin Purrington

PhD in evolutionary biology • twitterinstagram

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