The National Geographic Guide to Birding in North America

Bird Distribution, Status, and Endemism (1x4)

Data emisji: Maj 26, 2017

Take account of three further aids for bird identification. See how charting birds' distribution or geographical range provides much useful information about specific species. Grasp the benefits of knowing a bird's status, or abundance vs. rarity, and how status can change. Also study the factor of endemism, where birds are limited to one specific region, and the uses of this information.