Passenger Pigeon, 1829, by Robert Havell after John James Audubon. hand-colored engraving and aquatint on Whatman wove paper. This image is in the public domain.
Passenger Pigeon, 1829, by Robert Havell after John James Audubon. hand-colored engraving and aquatint on Whatman wove paper. This image is in the public domain.
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