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Remarks (This bird most closely)

This bird most closely resembles T. fuscicollis. In any plumage it may be known from that species by the fuscous instead of white middle upper tail-coverts. In summer it differs also in the absence of rufous above, the less heavily spotted throat, and the white instead of spotted sides. In winter the chief distinguishing marks of the two species, aside from the differently colored upper tail-coverts, are the buffy breast and generally paler upper parts of bairdii.