Willow Warbler, Phylloscopus trochilus, sitting between branches in a tree while stretching is wings and legs

nature wildlife warbler bird animal branch songbird phylloscopus green spring birdwatching wild willow yellow phylloscopus trochilus wood trochilus willow warbler forest tree background birds europe small summer beautiful sitting park ornithology outdoors feather wing perching environment springtime common european bush natural beauty passeriformes colorful animals cute feathers sylviidae