Common Yellowthroat

Geothlypis trichas

The common yellowthroat is a New World warbler. It is an abundant breeder in North America, ranging from southern Canada to central Mexico. In the northern parts of its range the birds are migratory, wintering in the southern parts of the breeding range, Central America and the West Indies. Southern forms are largely resident. Historically, it has also been known as the "yellow bandit", Maryland yellow-throat, and yellow-breasted warbler. Source

Where it is now

In the last 8 weeks this bird was recorded 57,256 times across 59 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 15 to 23°C, from 40 areas).

Over the weeks it was present in the past year, its centre in North America ranged from 24°N in April to 47°N in July, about 2,500 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.