• Two

    John Day Fossil Beds

    National Monument Oregon

Insects, Spiders, Centipedes, Millipedes

Image of a Melissa's blue butterfly.

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

Butterfly Inventory (pdf)

Inventories of other insects found at the monument have yet to be completed

Did You Know?

Image of a running rhino from the clarno formation

Some of the earliest rhino fossils in the world were found in the John Day beds. We call these the "running rhinos".