Felsenschwalben
Wissenschaftlicher Name: Ptyonoprogne
Felsenschwalben
Wissenschaftlicher Name: Ptyonoprogne
Photo By Francesco Veronesi , used under CC-BY-SA-2.0 /Cropped and compressed from original
Arten von Felsenschwalben
Photo By Francesco Veronesi , used under CC-BY-SA-2.0 /Cropped and compressed from original