X-ray of frog specimens held at the Natural History Museum, London, UK.

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Size: 11811px × 4905px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, 1800s, 1842-1912, 19th, animal, aves, biological, biology, bird, carduelis, century, european, fringilla, fringillidae, gerrard, goldfinch, illustration, john, keulemans, nineteenth, ornithological, passeriformes, passerine, sauropsid, sauropsida, victorian, zoological, zoology