Bearded helmetcrest, Oxypogon guerinii (Oxypogon lindeni). Handcoloured steel engraving from Martin's A General History of Humming-birds or the Trochilidae, Bohn, London, 1852.

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Size: 6291px × 3858px
Photo credit: © Florilegius / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ..., bearded, bird, engraving, general, gould, guerinii, handcoloured, helmetcrest, history, humming-birds, hummingbird, john, lindeni, martin, ornithology, oxypogon, steel, zoology