a. A small warbler (Setophaga ruticilla) of the Americas, the male of which has black plumage with orange patches on the wings and tail.
b. Any of several warblers of the genus Myioborus of South and Central America and southwest North America, resembling Setophaga ruticilla but having white rather than orange on the tail. Also called whitestart.
2. Any of several small flycatchers of Eurasia and Africa, especially Phoenicurus phoenicurus, having grayish plumage and a rust-red breast and tail.
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