Josh Miller likes to call himself a conservation paleobiologist, which makes sense when he explains how he uses bones as up-to-last-season information on contemporary animal populations. 

Bones, he says, provide baseline ecological data on animals complementary to aerial counts, adding a historical component to live observation. In his November cover article for the Ecological Society of America’s journal Ecology, he assesses elk habitat use in Yellowstone National Park by their bones and antlers, testing his method against several decades of the Park Service’s meticulous observations.

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