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Genus Limnothlypis
Swainson's warbler - A small and rather non-descript species of New World warbler, Swainson's Warblers will grow to about 5 to 6½ inches in length and 15 grams in weight. They are a plain olive-brown above and pale yellow-white below. They have a whitish eyebrow stripe that runs above their eye, and the top of their head is a rusty brown. Unlike most other New World warblers that are mostly dimorphic, there is no difference in appearance between a male or female Swainson's warbler.