Eastern Whip-poor-will

Antrostomus vociferus

The eastern whip-poor-will is a medium-sized bird within the nightjar family, Caprimulgidae, from North America. The whip-poor-will is commonly heard within its range, but less often seen because of its camouflage. It is named onomatopoeically after its song. Source

Where it is now

In the last 8 weeks this bird was recorded 2,844 times across 11 areas (each area is a 5 degree square).

See the Eastern Whip-poor-will on the live map

Movement and weather

Each season it is first heard regularly where daytime highs are around 22°C (typically 19 to 26°C, from 14 areas).

Over the weeks it was present in the past year, its centre in North America ranged from 36°N in April to 47°N in July, about 1,200 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.