Breeding Endangered Species Idaho San Francisco 
10,000 Birds
MARCH 5, 2024
These lands support countless birds, either year-round, as migratory stopovers, or as breeding grounds. In fact, the overwhelming majority of federal land is in just 11 western states (Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming). But what else should birders know?
10,000 Birds
NOVEMBER 14, 2017
For example, the Endangered Species Act and Migratory Bird Treaty Act—America’s most important avian conservation laws—apply in both territories. Although most conservation research focuses on northern breeding grounds, many ABA Area birds spend most of the year elsewhere. Both territories are also part of the U.S.
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