Two-barred Crossbill

Loxia leucoptera

The two-barred crossbill or white-winged crossbill is a small passerine bird in the finch family Fringillidae. It breeds in the coniferous forests of North America and the Palearctic. Source

Where it is now

In the last 8 weeks this bird was recorded 68,238 times across 62 areas (each area is a 5 degree square).

See the Two-barred Crossbill on the live map

Movement and weather

Each season it is first heard regularly where daytime highs are around 19°C (typically 13 to 21°C, from 16 areas).

Over the weeks it was present in the past year, its centre in North America ranged from 53°N in November to 62°N in July, about 1,000 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.