Eastern Orphean Warbler

Overview

The eastern Orphean warbler (Curruca crassirostris) is an Old World warbler of the genus Curruca. This species occurs in summer around the Mediterranean, through the Balkans via Turkey, the Caucasus and surrounding regions to Central Asia. It is migratory, wintering in sub-Saharan Africa.
At 15–16 cm length—somewhat larger than a blackcap—this is one of the largest species of typical warblers.

Summary from Wikipedia, available under CC BY-SA 4.0.