Describe the artwork of John Audubon and Walton Ford. How do their styles and content exemplify the time periods they lived in? What does Walton Ford try to convey in his work about historic artists and society?

John Audubon sketched and documented lot of birds as a naturalist illustration. Walton Ford paints the extinct species in a naturalist illustration.John Audubon's paintings exemplify the beauty of birds and their nature like migration activities. Walton Ford's paintings criticises about the damages done to the living beings by humans.Walton Ford inspires from historical artists and also put forth the changes of the nature in history. He combines the traditional style of art with the current condition of nature. He insists on how industrial revolution has changed the environment.