Roger Tory Peterson was one of the greatest naturalists ever, living between 1908 and 1996. He became passionate about birds while still in high school and drawing and teaching about them occupied his whole life.
Peterson was honored with just about every possible award during his lifetime including the Medal of Freedom and twice nominated for the Nobel Prize. He has written and illustrated many guides for ornthologists and bird watchers.
This print could be from Peterson's early years. It is a print of a fork-tailed flycatcher (muscivora tyrannus) on a branch of white Gordonia blossoms. On the back of the print he writes that this bird which is not native to the USA was secured by Audubon in New Jersey. Not being a bird watcher, I don't know if he means Audubon did this illustration or if he spotted the bird there.
The print has the aging associated with prints at least 50 years old. The mat is also discolored with age and at the bottom has some water stains. I am not sure if the printed signature and bird name are by Peterson or other. I have seen this same tiny print on other Peterson prints. I did find one reference that said he wanted to be known as a fine artist and not just an illustrator. In the 1970s Peterson did a number of paintings of birds. This could be a print of one of those paintings. There is no signature on the print except on the description on the back.
The matted print is 12 x 14.5 inches. The frame is old and solid but would benefit from refinishing. It is a light wood such as maple. The paper on the back is brittle from age. If you would like only the print, let me know. It does not effect the price of the print but will cut the shipping charge considerably.