Earth is less fertile without the poo of large predators - UPI.com

BURLINGTON, Vt., Oct. 26 (UPI) -- Most of the largest animals in Earth's history are now gone -- dinosaurs, mammoths, megalodons, whales. And gone with them are their sizable bowel movements. Scientists say that's bad news for Earth's fertility.

In a new study published in the journal PNAS, scientists suggest Earth is a less productive place with fewer and fewer large predators around. Large animals on land and in the sea, researchers now realize, played an outsized role in recycling nutrients.

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