Audubon, John James Syllabification: (Au·du·bon, John James)Pronunciation: /ˈôdəˌbän/Definition of Audubon, John James (1785–1851), US naturalist and artist. His most notable work is The Birds of America (1827–38), in which he portrayed even the largest birds life-size and painted them in action. Audubon, John James in other Oxford dictionaries Definition of Audubon, John James in the British & World English dictionary