Louisiana Waterthrush

Parkesia motacilla

The Louisiana waterthrush is a New World warbler, that breeds in eastern North America and winters in the West Indies and Central America. Plain brown above, it is white below, with black streaks and with buff flanks and undertail, distinguishing it from the closely related northern waterthrush. The habitats it prefers are streams and their surroundings, and other wet areas. Source

Where it is now

In the last 8 weeks this bird was recorded 10,898 times across 25 areas (each area is a 5 degree square).

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Movement and weather

Each season it is first heard regularly where daytime highs are around 21°C (typically 17 to 26°C, from 17 areas).

Over the weeks it was present in the past year, its centre in North America ranged from 15°N in December to 38°N in April, about 2,600 km apart.

Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.