JONATHAN ALDERFER is a nationally known bird artist and author who has worked on a number of National Geographic's birding books. His previous titles for National Geographic include Field Guide to the Birds of North America, Field Guide to the Birds of Eastern North America, Field Guide to the Birds of Western North America, Illustrated Birds, Birding Essentials, and Complete Birds of North America.
NOAH STRYCKER is an associate editor of Birding magazine and the author of several books. He has studied birds worldwide and works as a guide on expedition cruises to Antarctica and the Arctic, spreading the inspiration of birds from pole to pole. In 2015, during a quest spanning 41 countries and all seven continents, he set a world record by seeing 6,042 species of birds--more than half the birds on Earth--in one year. Strycker writes, lectures, and lives near Eugene, Oregon, between field seasons.