Field Guide To Birds National Geographic

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 latest edition will include 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.