Abstract
Aberrant colorations are not considered unusual events in nature. Recently, several cases have been reported in articles and/or notes of scientific communication, thus contributing to the knowledge about these mutations in wildlife and reporting the affected species. Here, we bring two new records of wild birds with aberrant plumage in southern Brazil: one record of a leucistic Rufous-bellied Thrush (Turdus rufiventris) individual and the first record of progressive greying in the Chalk-browed Mockingbird (Mimus saturninus).
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