277. The Cayenne Tern (Sterna cayana). 278. The Black Tern (Sterna nig...
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
Zoologie. Oiseau. 1. Hirondelle de mer Tschergava (Sterna Caspia); 2. ...
Picryl description: Public domain natural history illustrated book page scan, free to use, no copyright restrictions image.
279. Die Trauerseeschwalbe (Sterna anglica). 280. Die Rosenseeschwalbe...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
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
1). Javan Tern, Sterna Javanica; 2. Seeschwalbe, Sterna similis; 3. Br...
Public domain illustrated book page scan, related to zoology, free to use, no copyright restrictions image - Picryl description
Sterna macrura. Polarseeschwalbe.
Picryl description: Public domain image of a bird in flight, free to use, no copyright restrictions.
1). Gewellte Seeschwalbe, Sterna brevirostris; 2. Trauerseeschwalbe, S...
Public domain illustrated book page scan, related to zoology, free to use, no copyright restrictions image - Picryl description
273. Die Silberseeschwalbe (Sterna argentea). 274. Die Sandwichseeschw...
Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Sterna Paradies. Rosenseeschwalbe.
Picryl description: Public domain image of a bird in flight, free to use, no copyright restrictions.