Guide to birds of eastern and central north america guides a unique identification system, which has been called the greatest invention since binoculars. This guide is illustrated with drawings and photographs in color and black …
The Sibley Field Guide to Birds of Eastern North America: Second Edition
“These updated volumes are long overdue and well worth the wait. They offer species information updated beyond the updated parent volume; meticulous, lovely drawings; a layout designed for quick reference and comparative study; improved table …