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Wood Warbler

From Opus

Phylloscopus sibilatrix

Rhadina sibilatrix

Photo by MacswedeStockholm, Sweden, May 2012
Photo by Macswede
Stockholm, Sweden, May 2012


[edit] Identification

Length 11–12.5 cm, weight 6.5–15 g
Bright green upperparts, yellow throat and upper chest; white underparts. Wing and tail feathers very dark green with bright yellow-green fringes. Yellow supercilium. Juvenile similar to adult.

[edit] Similar species

Long wings, relatively short, broad tail, and strong chest give a distinctive 'front-heavy' shape compared to Willow Warbler and other Phylloscopus species. Brighter green above and more yellow throated than Western Bonelli's Warbler and Eastern Bonelli's Warbler. On the African wintering grounds, could be confused with Laura's Woodland Warbler, but that differs in having bright yellow, not white, under-tail coverts.

[edit] Distribution

Breeds in northern and central Europe and Russia, north to around 63°N latitude and east to about 90°E longitude. In N Europe from sea level, but further south, in mountain forests (Pyrenees, Alps, Balkan, and northern Caucasus mountains). In NW Europe, a very rare breeder in Ireland and scarce and declining in Britain, where primarily in western upland woods. Abundant in eastern Europe, and very common on passage in SE Europe. Winters in tropical Africa between about 10°N and 10°S latitude.

An accidental vagrant to western China, and Alaska (where 3 records).

[edit] Taxonomy

Photo by ekhoheFinland, May 2004
Photo by ekhohe
Finland, May 2004

Closely related to the Western Bonelli's WarblerEastern Bonelli's Warbler species pair; with them, sometimes separated into the genus Rhadina. It is a monotypic species[1].

[edit] Habitat

Prefers tall, mature mixed or broadleaf forests, often of oak Quercus or beech Fagus, often with sparse understorey and on sloping ground near rivers.

[edit] Behaviour

Sings from prominent perches often low down (typically 3–10 m above ground) or in flight between perches, under tall (20–45 m) forest canopy.

[edit] Diet

The diet includes insects and spiders.

[edit] Breeding

The nest is built near the ground in low shrub.

[edit] Vocalisation

Song: two distinct songs, typically interspersed; a plaintive descending "piuuu-piuuu-piuuu", and a higher-pitched musical trill often described as a spinning coin on marble (both given in the recording below, in this order). One of the most distinctive and evocative sounds of European forests in spring.

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[edit] References

  1. Clements, JF. 2011. The Clements Checklist of Birds of the World. 6th ed., with updates to August 2011. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at
  2. Collins Field Guide 5th Edition
  3. Birdwatchers Pocket Guide ISBN 1-85732-804-3
  4. Wikipedia

[edit] External Links


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