The River Warbler is a migratory species breeding in Europe and western Asia and wintering in sub-Saharan Africa. It is a highly secretive bird, favoring dense, often wet, undergrowth.
Where to spot
Breeds across eastern and northern Europe and western Asia, in damp deciduous woodlands, scrub, and areas with dense undergrowth, often near water. Winters in sub-Saharan Africa.
How to spot
Listen intently for its unmistakable 'sewing machine' song, which is the best way to locate this elusive bird. It stays hidden deep within vegetation, so a visual sighting can be challenging.
When to spot
Breeding season (late spring to summer) in its northern range, when males are most vocal. Migration periods (spring/autumn) offer brief observation opportunities.
Where to spot
Breeds across eastern and northern Europe and western Asia, in damp deciduous woodlands, scrub, and areas with dense undergrowth, often near water. Winters in sub-Saharan Africa.
How to spot
Listen intently for its unmistakable 'sewing machine' song, which is the best way to locate this elusive bird. It stays hidden deep within vegetation, so a visual sighting can be challenging.
When to spot
Breeding season (late spring to summer) in its northern range, when males are most vocal. Migration periods (spring/autumn) offer brief observation opportunities.
This warbler's song is a distinctive, mechanical-sounding 'sewing machine' trill, delivered rapidly and continuously from hidden perches.
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