This drawing is of a mallard duck. Many other birds including hummingbirds and falcons are detailed.
Hardcover with 304 pages, published by Princton University Press January 2013.I do not have the book yet, but I am going to order it. Cost $32.28 at Barns & Noble. $32.94 at Amazon Books.
I have another book that has been of some help to me understanding bird Ornithology, . Manual of Ornithology, Avian Structure and Function, author; Noble S. Proctor is a work book for classes at major universities. $31.10 new from Amazon, 352 pages soft cover. I hope this is some help for fellow carvers. .