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Needle-Tailed Swift, Coloured Figures of the Birds of the British Islands / issued by Lord Lilford, 1885-1897
Posted on February 19, 2013 via jomobimo with 79 notes
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Common swift and alpine swift, from Naturgeschichte der Vögel Mitteleuropas, Johann Andreas Naumann, 1905. (via Réunion des musées nationaux)
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better version.
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Skeleton of a common swift Apus apus as Cypselus apus
From: Osteologia avium; Or, a Sketch of the Osteology of Birds / II by T. C. Eyton
Posted on March 18, 2012 with 64 notes
Source: europeana.eu



