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Louisiana Waterthrush Video Stock Footage
The Louisiana waterthrush has a plain brown back and white underparts streaked with black. The flanks and undertail are buff. There is a strong white flared supercilium, and the legs are bright pink. All plumages are similar, but young birds have buff underparts rather than white. The main confusion species is the closely related northern waterthrush (Parkesia noveboracensis), which has white flanks and undertail, a striped throat, a slightly smaller bill, a shorter supercilium and duller pink legs. In a study of the two waterthrushes in Connecticut nesting grounds, the Louisiana waterthrush, at an average of 20.6 g (0.73 oz), was rather larger than the Northern, at an average of 16.2 g (0.57 oz). The Louisiana waterthrush is one of the largest species of wood warbler, with only the aberrant yellow-breasted chat averaging larger in mean mass and linear measurements. It measures 14–17 cm (5.5–6.7 in) in length and spanning 21–25.4 cm (8.3–10.0 in) across the wings. The weight of adult birds can vary from 17.4 to 28 g (0.61 to 0.99 oz). Among standard measurements, the wing chord is 7.4 to 8.5 cm (2.9 to 3.3 in), the tail 4.4 to 5.4 cm (1.7 to 2.1 in), the bill is 1.2 to 1.5 cm (0.47 to 0.59 in) and the tarsus is 2 to 2.3 cm (0.79 to 0.91 in). The male's song is a musical, distinctive series of descending notes followed by a warble. The pitch of the beginning notes of the Louisian...
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