Black-billed Magpie

Pica hudsonia

The black-billed magpie, also known as the American magpie, is a bird in the corvid family found in the western half of North America. It is black and white, with the wings and tail showing black areas and iridescent hints of blue and blue-green. It was formerly treated as a subspecies of Pica pica, but was separated as a species in its own in 2000 based on genetic studies. Source

Where it is now

In the last 8 weeks this bird was recorded 1,920,002 times across 39 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 21°C (typically 18 to 24°C, from 12 areas).

Over the weeks it was present in the past year, its centre in North America ranged from 47°N in December to 57°N in July, about 1,100 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.