Radde’s Warbler
Phylloscopus schwarzi
Radde's Warbler is a rare migrant to Britain, typically seen during the autumn months, particularly in the eastern and southern regions of the country. It is most often encountered in dense vegetation, such as scrub and woodland edges, where it can be difficult to spot.
Field Identification Guide
Use these features to identify Radde’s Warbler in the field.
The Radde's Warbler can be identified by its distinctive white eye-ring, greenish-yellow plumage, and pale yellowish-brown wings. Its broad, dark brown stripe above the eye and pale yellowish-brown crown are also key features.
The Radde's Warbler is slightly smaller than a Chiffchaff, measuring around 10-12 cm in length.
The male Radde's Warbler has a greenish-yellow back, wings, and tail, with a pale yellowish-brown crown and a white belly, and its plumage remains relatively consistent throughout the year.
The female Radde's Warbler is similar to the male, with no significant differences in plumage.
The Radde's Warbler has a distinctive call, often described as a sharp, metallic "tak" or "tsik", and its song is a series of short, melodic phrases.
Radde's Warblers are active, insectivorous birds that forage for food in dense vegetation, often flying short distances between shrubs and trees, and their flight is typically swift and direct.
The Radde's Warbler can be confused with other leaf warblers, such as the Yellow-browed Warbler and the Pallas's Warbler, but can be distinguished by its broad, dark brown stripe above the eye and its pale yellowish-brown crown.
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