CH823034:
Eastern Grey Squirrel in Full Winter Coat, c.1840s (pen and black ink and watercolour on board), Audubon, John James (1785-1851) / Bridgeman Images
STC4071373:
Great Egret, Casmerodius Albus, from "The Birds of America" by John J. Audubon, pub. 1827-38 (hand coloured engraving), Audubon, John James (1785-1851) / Bridgeman Images
STC4071384:
Fork Tailed Petrel, Thalassidroma Leachii, from "The Birds of America" by John J. Audubon, pub. 1827-38 (hand coloured engraving), Audubon, John James (1785-1851) / Bridgeman Images
STC4071349:
Bonapartian Gull, Larus Bonapartii, from "The Birds of America" by John J. Audubon, pub. 1827-38 (hand coloured engraving), Audubon, John James (1785-1851) / Bridgeman Images
STC4071359:
Band Tailed Pigeon, Columba Fasciata, from "The Birds of America" by John J. Audubon, pub. 1827-38 (hand coloured engraving), Audubon, John James (1785-1851) / Bridgeman Images
CH378560:
Pinnated Grouse. Greater Prairie Chicken (Tympanuchus Cupido) from 'The Birds of America' (aquatint & engraving with hand-colouring), Audubon, John James (1785-1851) / Bridgeman Images