Pallid Swift (Apus pallidus)
Photo: Bruno Sommerhalder
Pallid Swift (Apus pallidus)
Photo: Bruno Sommerhalder
Common Swift (Apus apus)
Photo: Bruno Sommerhalder
Common Swift (Apus apus)
Photo: Bruno Sommerhalder
Common Swift (Apus apus)
Photo: Bruno Sommerhalder
Common Swift (Apus apus)
Photo: Bruno Sommerhalder
Alpine Swift (Apus melba)
Photo: Bruno Sommerhalder
Alpine Swift (Apus melba)
Photo: Bruno Sommerhalder