Chipping Sparrow

Spizella passerina

The chipping sparrow is a species of New World sparrow, a passerine bird in the family Passerellidae. It is widespread, fairly tame, and common across most of its North American range. Source

Where it is now

In the last 8 weeks this bird was recorded 84,910 times across 53 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 16°C (typically 11 to 21°C, from 50 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 North America ranged from 37°N in March to 49°N in June, 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.