National Geographic Field Guide to the Birds of North America, 6th Edition contains the most all-new material since the first edition was published more than 25 years ago. The 6th and latest edition includes 300 new art figures; unique subspecies maps never before seen in a field guide; extensive migration information overlaid on species maps; field-mark labels on all artwork; text updates to include new species; reorganization reflecting taxonomic changes in the bird community; organization, readability, and increased page count with a fresh new design.
Jon L. Dunn is a leading expert on the identification and distribution of North American birds. He is a consultant for Birding magazine, and former chair of the American Birding Association's Checklist Committee.
Jonathan Alderfer is chief consultant for National Geographic's Birding Program and a widely published author and field guide illustrator. One of the nation's foremost birding artists, he is well known for his authority on North American birds and his expertise as a field ornithologist.
