Big Animals Poop Out, Study Of Daring Doo

Once upon a time, giant mammoths roamed Earth and the oceans teemed with great whales. These creatures ate massive quantities of food and deposited equally massive quantities of poop. A new study shows that these big animals and others like them, along with vast flocks of seabirds, schools of migrating fish, and herds of grazing animals, played a more vital role in keeping the planet fertile than previously believed.

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