Mathieu Bally:
Bruant rustique / Rustic bunting
Mathieu Bally:
Fauvette mélanocéphale / Sardinian Warbler
Mathieu Bally:
Phragmite aquatique / Aquatic warbler
Mathieu Bally:
Oriental Turtle Dove (ssp. Meena), Sulgen, Switzerland, 07.03.2020
Mathieu Bally:
Hirondelle rousseline / Red-rumped Swallow
Mathieu Bally:
Pouillot ibérique / Iberian Chiffchaff
Mathieu Bally:
Pacific Diver, Silvaplana GR, Switzerland, December 2015
Mathieu Bally:
Sabine's gull, Zürich, Switzerland 2011
Mathieu Bally:
Buff-breasted Sandpiper, Nuolener Ried, Switzerland 2011
Mathieu Bally:
Citrine Wagtail, Sionnet (Geneva), Switzerland
Mathieu Bally:
Pacific Loon, Silvaplanersee (GR), Switzerland 2015
Mathieu Bally:
Richard's pipit, Sant-Antonino TI, Switzerland May 2016
Mathieu Bally:
Fuligule à bec cerclé / Ring-necked Duck
Mathieu Bally:
Sterne arctique / Arctic Tern
Mathieu Bally:
Fauvette de Moltoni / Moltoni’s Warbler
Mathieu Bally:
Pie-grièche Schach / Long-tailed Shrike
Mathieu Bally:
Pie-grièche Schach / Long-tailed Shrike
Mathieu Bally:
Pie-grièche Schach / Long-tailed Shrike
Mathieu Bally:
Paruline masquée / Common Yellowthroat
Mathieu Bally:
Mouette atricille / Laughing Gull
Mathieu Bally:
Fuligule à bec cerclé / Ringed-necked Duck
Mathieu Bally:
Surf Scoter, Geneva, Switzerland 2023
Mathieu Bally:
Red-necked Phalarope, Les Grangettes, Switzerland 2023
Mathieu Bally:
Audoin’s Gull, Préverenges, Switzerland 2024
Mathieu Bally:
Dartford Warbler, Ticino, Switzerland 2024
Mathieu Bally:
Sociable Lapwing / Vanneau sociable, Witzwil, Switzerland 2024