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Species and their feces: How much do you know about poop?

Elk excrement © Stanislau Valynkin/Alamy

World Wildlife Fund
1250 24th Street, N.W.
Washington, DC 20037

World Wildlife Fund Inc. is a nonprofit, tax-exempt charitable organization (tax ID number 52-1693387) under Section 501(c)(3) of the Internal Revenue Code. Donations are tax-deductible as allowed by law.

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