Top 25 National Wildlife Refuges for Birding
10,000 Birds
JANUARY 30, 2018
There are more than 550 national wildlife refuges in the United States, with at least one in every state and one within an hour drive of almost every major American city. Many were specifically established for migratory birds and are strategically positioned along one of the four major North American migration flyways. Forsythe (319).
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