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Louisiana Waterthrush Seiurus motacilla


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Louisiana Waterthrush
credit: Badjoby/CCSA

© Lang Elliot/ (audio)

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Family: Parulidae, Wood Warblers view all from this family

Description ADULT AND IMMATURE Have mostly dark olive-brown upperparts, including wings and tail. Note the long, bold supercilium that becomes wider above and behind the eye and is more buff in front of eye, white behind (even width and uniformly buffish in Northern). Underparts are whitish overall, with a buff wash on rear of flanks and bold dark streaks on all areas except throat and undertail coverts (throat is streaked in Northern). Legs are stout and bright pink.

Dimensions Length: 6 1/2" (17 cm)

Habitat Common summer visitor (mainly Apr-Aug) to wet wooded habitats in southeastern U.S.; winters mainly in Central America and around Caribbean.

Observation Tips Presence easiest to detect by song.

Range Plains, Texas, Eastern Canada, Southeast, Great Lakes, New England, Mid-Atlantic, Florida

Voice Song is a resonant, whistling ti' tsiu tsiu tchew tchew; call is a grating tchtt.

Discussion Similar to Northern Waterthrush, but marginally larger and longer billed. and subtle plumage differences (mainly supercilium and throat) are best features for separating the species on migration; breeding ranges barely overlap in region covered by this book. Habits and habitat preferences are similar to those of Northern. Sexes are similar.