Common Sandpiper

Actitis hypoleucos

The common sandpiper is a small Palearctic wader. This bird and its American sister species, the spotted sandpiper, make up the genus Actitis. They are parapatric and replace each other geographically; stray birds of either species may settle down with breeders of the other and hybridize. Hybridization has also been reported between the common sandpiper and the green sandpiper, a member of the closely related genus Tringa. Source

Where it is now

In the last 8 weeks this bird was recorded 97,420 times across 111 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 11°C (typically 9 to 23°C, from 26 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 47°N in August to 66°N in May, about 2,100 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.