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    • Animals
      • Insects, Spiders, Centipedes, Millipedes

Insects, Spiders, Centipedes, Millipedes

These tiny Melissa's blue butterflies can be seen in the spring and early summer.

Because the plant species at John Day Fossil Beds National Monument are varied so are the insects found within its boundaries. A 2004 survey of butterflies confirmed about half of the 95 known species found here. Learn more about Inventory & Monitoring at John Day Fossil Beds.