Corn Bunting

Emberiza calandra

The corn bunting is a passerine bird in the bunting family Emberizidae, a group now separated by most modern authors from the finches, Fringillidae. This is a large bunting with heavily streaked buff-brown plumage. The sexes are similar but the male is slightly larger than the female. Its range extends from Western Europe and North Africa across to northwestern China. Source

Where it is now

In the last 8 weeks this bird was recorded 1,670 times across 26 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 17°C (typically 3 to 19°C, from 6 areas). That range is wide, so temperature alone does not explain when it turns up.

Over the weeks it was present in the past year, its centre in Europe ranged from 38°N in April to 53°N in June, about 1,600 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.