Hirundo rustica. Schlucken.
Picryl description: Public domain image of a bird in flight, free to use, no copyright restrictions.
65. Die Klippenschwalbe (Hirundo fulva). 66. Der Kleine Schopfschnäppe...
Picryl description: Public domain image of a bird in flight, free to use, no copyright restrictions.
Sterna hirundo. Common Tern. - Public domain botanical illustration
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
61. Der Purpurrote Martin (Hirundo purpurea). 62. Die Uferschwalbe (Hi...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
275. Die Flussseeschwalbe (Sterna hirundo). 276. Ditto, jung.
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
1). Balassian [Balastian] Mauersegler, Cypselus palmarum. 1a. Männlich...
Public domain illustrated book page scan, related to zoology, free to use, no copyright restrictions image - Picryl description
Trigla Hirundo, The Tub-Fish. - Public domain drawing
Public domain scan of a fish, book illustration or drawing, free to use, no copyright restrictions - Picryl description.
63. Die Weißbauchschwalbe (Hirundo bicolor). 64. Die Scheunenschwalbe ...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Zoologie. Oiseau. 1. Coucal houhou (Centropus Ægyptius); 2. Coua noir ...
Public domain illustrated book page scan, related to Egypt, free to use, no copyright restrictions image - Picryl description