Sibley, D. Field Guide to the Birds of Western North America. 1st. Ed. Pub. Helm. 2003
pp.471 with over 4,600 illustrations. 8vo. Nr. fine softback.
Highly recommended. Features 667 bird species found west of the Rocky Mountains. With more than 4,700 illustrations which support species accounts.
£9.50 [Ref: 71262]