Coal Tit

Periparus ater

The coal tit is a passerine bird in the tit family, Paridae. It is a widespread and common resident breeder in forests throughout the temperate to subtropical Palearctic, including North Africa. The black-crested tit is now included in this species. Source

Where it is now

In the last 8 weeks this bird was recorded 540,467 times across 57 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 14 to 22°C, from 18 areas).

Over the weeks it was present in the past year, its centre in Europe ranged from 50°N in May to 61°N in October, about 1,300 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.