David Allen Sibley, America's most gifted contemporary painter of birds, is the author and illustrator of this comprehensive guide. His beautifully detailed illustrations - more than 6,600 in all - and descriptions of 810 species and 350 regional populations will enrich every birder's experience.

The Sibley Guide'sinnovative design makes it entirely user-friendly. The illustrations are arranged to facilitate comparison, yet still capture the unique character of each species.

545pp.