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Welcome to the BirdForum Opus
The interactive birding encyclopaedia

Welcome to the Opus, an interactive, multimedia encyclopaedia that anyone can edit. You can use the Opus to find out about everything to do with birds - from the birds themselves to the places you can find them.

Featured Article: Iberian Chiffchaff
Photo © by juancar diequez
Vitoria, Spain, 26 March, 2021

Identification

Adult

Pale supercilium tinged yellowish-green with more lemon yellow over and in front of eye. Narrow but quite distinctive pale eyering. Contrasting dark eyestripe.

Green-brown cheek and ear-coverts

Crown and upperparts yellowish olive-green, in fresh autumn plumage crown and mantle sometimes with brown hue

Remiges and rectrices brown, fringed pale olive-green

Whitish below. Breast streaked with yellow. Lemon yellow vent and sometimes paler undertail-coverts

Underwing-coverts and axillaries lemon-yellow (usually protruding visibly at bend of closed wing)

Iris dark brown. Beak dark brown to black. Legs dark brown to black

Juvenile

Upperparts yellowish-brown. Underparts yellow and slightly richer yellow than on juvenile Common Chiffchaff. Juvenile Iberian Chiffchaffs cannot be safely separated from Common Chiffchaffs

Distribution

Found mainly in Spain and Portugal, with a small population in adjacent south-western France…. A small population occurs in the north of Morocco especially in the eastern Rif montains areas….

Movement

Migratory. Non-breeding range not fully known. Majority thought to migrate to tropical West Africa, where they have been recorded in winter in Senegal, Mali, Burkina Faso and Ghana. A passage migrant through Morocco from late February to mid-April. Member's records confirm movement in mid February in Morocco and Western Sahara and one near Marseille, France in mid-March



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