. Die Schwalbe : Berichte des Comité's für ornithologische Beobachtungs-Stationen in Österreich. Swallows; Birds; Ornithology. . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien. Wien : K. K. Zoolog. -Botan. Gesellschaft

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Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, booksubjectorn