Eurasian Teal

Anas crecca

The Eurasian teal, common teal, or Eurasian green-winged teal is a common and widespread duck that breeds in temperate Eurosiberia and migrates south in winter. The Eurasian teal is often called simply the teal due to being the only one of these small dabbling ducks in much of its range. The bird gives its name to the blue-green colour teal. Source

Where it is now

In the last 8 weeks this bird was recorded 330,762 times across 151 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 24°C (typically 9 to 29°C, from 50 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 34°N in January to 56°N in June, about 2,400 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.