SYLVIA
Sylvia in archive see here:
https://radioactiverobins.com/archive/acrocephalus/Sylvia%20warblers.htm
Radioactive Robins and other birds
Norman Deans van Swelm, copyright remains with the photographers.
Sylvia in archive see here:
https://radioactiverobins.com/archive/acrocephalus/Sylvia%20warblers.htm