South American land birds: a photographic aid to identification.
Newtown Square: Harrowood Books, 1982. Octavo, colour photographs, fine copy in dustwrapper. More
Newtown Square: Harrowood Books, 1982. Octavo, colour photographs, fine copy in dustwrapper. More
Princeton: Princeton University Press, (1989. second edition). Octavo, colour plates, softcover. This is the authoritative field guide to Panama birds, completely revised and expanded to include all the birds of Costa Rica, Nicaragua, and Honduras. More than 1,000 species in this exceptionally rich and varied area are treated, and about..... More