Tufted Duck

Aythya fuligula

The tufted duck is a small diving duck with a population of nearly one million birds, found in northern Eurasia. They are partially migratory. The scientific name is derived from Ancient Greek aithuia, an unidentified seabird mentioned by authors such as Hesychius and Aristotle, and Latin fuligo 'soot' and gula 'throat'. It is a game bird. Source

Where it is now

In the last 8 weeks this bird was recorded 2,839 times across 30 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 Europe ranged from 55°N in February to 72°N in May, about 1,800 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.