Green warbler
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The green warbler (Phylloscopus nitidus), also known as green willow warbler or green leaf warbler, is a leaf warbler found in the Caucasus Mountains in southeastern Europe.
Like all leaf warblers, it was formerly placed in the "Old World warbler" assemblage, but now belongs to the new leaf-warbler family Phylloscopidae.<ref>Alström, Per (2006): "Species concepts and their application: insights from the genera Seicercus and Phylloscopus Template:Webarchive". Acta Zoologica Sinica 52(Supplement): 429-434.</ref><ref>Template:Cite journal</ref> The genus name Phylloscopus is from Ancient Greek phullon, "leaf", and skopos, "seeker" (from skopeo, "to watch"). The specific nitidus is from Latin and means "shining".<ref name=job>Template:Cite book</ref>
It is most closely related to the greenish warbler but is brighter in colour, and the underside is much more yellow. It has one strong and one faint wing bar, especially in young birds.