Willow Warbler

Observation - Willow Warbler - UK and Ireland. Description: Pale greyish-green bird, very small. Underparts whitish.
Pale greyish-green bird, very small. Underparts whitish.
Observation - Willow Warbler - UK and Ireland. Description: Pale greyish-green bird, very small. Underparts whitish.
Pale greyish-green bird, very small. Underparts whitish.