Photograph of dozens of softball-sized boluses of 20,000-year-old giant ground sloth dung in a cave in Grand Canyon National Park.
Photograph of 20,000-year-old giant
ground sloth dung in a cave in Grand Canyon
National Park.
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NPS photograph by Robyn Henderek (Zappitello et al. 2017, p. 13).
Public domain:Full Granting Rights
Image
Grand Canyon National Park, Code: GRCA
Grand Canyon National Park, Arizona Latitude: 36.3291397094727, Longitude: -112.790603637695