Tanagers, Cardinals, and Finches of the United States and Canada: the photographic guide.
Princeton: Princeton University Press, 2006. Octavo, colour photographs, maps, softcover. A photographic identification guide to tanagers, cardinals, and finches. The photographs illustrate age, seasonal, and sexual variation in the species found north of Mexico, including introduced species and vagrants. It is designed to introduce the biology, identification, molts, vocalization, and..... More