Fall migration is underway for the birds of North America and, during peak days, hundreds of millions of birds pass overhead under the cover of night. “The earliest migrants are on their way as early as the Fourth of July, but September is when the numbers really start to build, with the peak happening in October and early November,” explains Dr. Andrew Farnsworth , a migration ecologist and visiting scientist at the Cornell Lab of Ornithology . This nocturnal migration is a sight to behold and should be on every bird lover’s bucket list, though it can be tricky to observe. Here are some of the best ways to improve your chances of seeing it, and what to expect for the fall 2025 migration.

Why Do Birds Migrate at Night?

While some species of birds migrate during the day, the vast majo

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