This Willow Warbler was one of a large number of juveniles seen regularly between 1,600 and 2,000 metres above sea level. They were feeding in both coniferous and deciduous trees and were presumably preparing themselves for the long flight across the mountains and on to Africa.
Family: Leaf Warblers and allies (Phylloscopidae)
Species: Willow Warbler (Phylloscopus trochilus)
Date taken: 22/09/2015