From the Brockhaus and Efron Encyclopedic Dictionary

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Photo credit: © X3A Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: anatomical, anatomy, antique, bird, birdanatomy, brockhaus, brockhausefron, diagram, domain, efron, encyclopedia, fowl, historic, history, illustration, image, photo, public, publicdomain, russia, russian, skeleton, vintage