What was the focus of John audubons work?

John Audubon's work primarily focused on ornithology and the detailed study of birds in North America. He is best known for his monumental work, "The Birds of America," which features life-sized illustrations of various bird species in their natural habitats. Audubon combined art and science, emphasizing the beauty and diversity of avian life while advocating for conservation. His contributions significantly advanced the field of wildlife illustration and raised awareness about the importance of preserving natural habitats.