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Olive-sided Flycatcher (Contopus cooperi)
Above and below: An Olive-sided Flycatcher at Sugarloaf Mountain, Frederick Co., Maryland (5/25/2008).
Below: An Olive-sided Flycatcher at Finzel Swamp in Garrett Co., Maryland (5/21/2011).
Listen for 'three-beers!' call near start and end of track. The typical first syllable is kind of swallowed. An excellent dawn chorus of migrants and breeders.
