The first ever described fossil grasshopper eggs and egg pod on Earth has been found within the Sheep Rock Unit of John Day Fossil Beds National Monument.
As reported in the journal, Parks Stewardship Forum, Jaemin Lee (University of California, Berkeley), Dr. Nicholas Famoso (John Day Fossil Beds National Monument), and Angela Lin (University of Oregon) used micro-CT scans to investigate the internal structure of over 50 fossilized insect eggs and an intact egg pod from the Sheep Rock Unit.