adult; no sexual dimorphism (Mexico; 2011-03-14)
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Louisiana Waterthrush
Seiurus motacilla
Native Range: North America
Notes:
closely related to Northern Waterthrush, from which it is distinguished by whiter supercilium and other details of song and plumage; like the Northern Waterthrush, this warbler is found along streams where it walks and feeds at water's edge while constantly bobbing its tail as if doing a jig; indeed, this jig is one of the best field marks for both waterthrush species.
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