I brake for butterflies

Matt Bartmann: Monarch on Rabbitbrush plant
Matt Bartmann: Monarch Caterpillar on milkweek, Loveland, CO

If you have milkweed plants in your garden or yard, you may have seen monarch butterfly caterpillars munching away over the summer. Northern Colorado is not part of a major migration route, but you may see a few adults fluttering through from now until early October.

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