Baird's Sandpiper

Calidris bairdii

Baird's Sandpiper (Calidris bairdii)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

This bird flies Source

Where it is now

In the last 8 weeks this bird was recorded 653 times across 18 areas (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in North America ranged from 33°N in April to 52°N in August, about 2,200 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.

RegionFirst arrivalLast arrivalTypical peakAreas
North America24 August 202624 August 202621 September 20261

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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.