Cave Swallow

Petrochelidon fulva

The cave swallow is a medium-sized, squarish-tailed swallow belonging to the same genus as the more familiar and widespread cliff swallow of North America. The cave swallow, also native to the Americas, nests and roosts primarily in caves and sinkholes. Source

Where it is now

In the last 8 weeks this bird was recorded 76 times across 4 areas (each area is a 5 degree square).

See the Cave Swallow on the live map

Movement and weather

Over the weeks it was present in the past year, its centre in North America ranged from 24°N in July to 33°N in June, about 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.

Download every area as CSV

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