Columbia Magazine

Monarch Migration

2021-09-30 - Shelbyville, KY - Photo by Pen
Cooler weather and shorter days in September tell the monarchs it's time to head for Mexico. According to the USDA, the monarch is the only butterfly known to make a two-way migration. Monarchs in Eastern North America have a second home in the Sierra Madre Mountains of Mexico

Last night, I noticed a butterfly high overhead, which isn't unusual, but then I saw another, and another. About every minute or so, for over an hour, a monarch or two or three would pass high overhead, all heading roughly southwest.
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