The National Geographic Guide to Birding in North America

Essentials of Bird Migrations (1x11)

Data emisji: Maj 26, 2017

Migration seasons provide excellent opportunities to sight unfamiliar bird species. Here, uncover the evolutionary origins of migration, and why birds migrate. Study the triggers and geographical patterns of migration, and the four principal “flyways” (migration zones) of North America. Learn how to maximize your sightings of migrating birds, and how technology can aid this.