Lesser Whitethroat

Overview

The lesser whitethroat (Curruca curruca) is a common and widespread Old World warbler which breeds in temperate Europe, except the southwest, and in the western and central Palearctic. This small passerine bird is strongly migratory, wintering in Africa just south of the Sahara, Arabia and India.
Unlike many sylviid warblers, the sexes are almost identical. This is a small species with a grey back, whitish underparts, a grey head with a darker "bandit mask" through the eyes and a white throat.

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