Looking at poop can tell us a lot. Poop offers a window into all sorts of hidden worlds: bird microbiomes, clam habitats, recovering coral forests, and more.
Excrement can also tell us about how and when animals went extinct thousands of years ago. A study published April 26 in the journal Quaternary Research looked at the fungal spores in the dung of the large animals, such as 20-foot-tall ground sloths and 1,000 pound armadillo-looking animals called armored glyptodonts, that roamed the Colombian Andes in South America during the Pleistocene.
[Related: Ancient poop…
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