River otter poop is the perfect for Katrina Lohan's research as it contains DNA from worms, fish, and other organisms, including parasites. Image: National Zoo River otters are unequivocally cute. But ...
Feces are a valuable tool in the world of animal identification. It might sound gross, but it’s one of the best ways to determine an animal’s behavior. An animal’s poop, known as scat, tells you where ...
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