Mathieu Bally:
Rousserolle des buissons / Blyth’s Reed Warbler
Mathieu Bally:
Fauvette mélanocéphale / Sardinian Warbler
Mathieu Bally:
Phragmite aquatique / Aquatic warbler
Mathieu Bally:
Paruline masquée / Common Yellowthroat
Mathieu Bally:
Pouillot ibérique / Iberian Chiffchaff
Mathieu Bally:
Fauvette de Moltoni / Moltoni’s Warbler
Mathieu Bally:
Pallas’s Leaf Warbler, Ouessant, France 2015
Mathieu Bally:
Radde's Warbler (Phylloscopus schwarzi)
Mathieu Bally:
Dartford Warbler, Ticino, Switzerland 2024
Mathieu Bally:
Wood Warbler / Pouillot siffleur, Tessin, Switzerland 2024
Mathieu Bally:
Sedge Warbler / Phragmite des joncs, Tessin, Switzerland 2024
Mathieu Bally:
Eastern Subalpine Warbler / Fauvette des Balkans, Tessin, Switzerland 2024
Mathieu Bally:
Spectacled Warbler / Fauvette à lunettes, Camargue, France 2023
Mathieu Bally:
Marsh Warbler / Rousserolle verderolle, Vallée de Joux, Switzerland 2024