Tennessee Warbler

Leiothlypis peregrina

The Tennessee warbler is a New World warbler that breeds in eastern North America and winters in southern Central America, the Caribbean, and northern South America. The specific name peregrina is from Latin peregrinus "wanderer". Source

Where it is now

In the last 8 weeks this bird was recorded 8,339 times across 45 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 18°C (typically 16 to 24°C, from 29 areas).

Over the weeks it was present in the past year, its centre in North America ranged from 39°N in May to 56°N in June, about 1,900 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.