American Wigeon

Mareca americana

The American wigeon, also known as the baldpate, is a species of dabbling duck found in North America. Formerly assigned to Anas, this species is classified with the other wigeons in the dabbling duck genus Mareca. It is the New World counterpart of the Eurasian wigeon. Source

Where it is now

In the last 8 weeks this bird was recorded 7,259 times across 56 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 9°C (typically 6 to 19°C, from 14 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 32°N in February to 59°N in May, about 3,000 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.