Asian Stubtail

Urosphena squameiceps

The Asian stubtail is a bird in the family Cettiidae. The species was first described by Robert Swinhoe in 1863. It breeds in Northeast Asia and Japan. Its natural habitat is temperate forest. Source

Where it is now

In the last 8 weeks this bird was recorded 622 times across 8 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 Asia ranged from 20°N in October to 42°N in June, about 2,500 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.