FROM
Huffpost Science
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Why do dogs sniff each other’s butts? The answer to that question is a bit more complicated than you might imagine.
According to a new video from the American Chemical Society (above), it’s all about one canine literally sniffing out important information about the other–its gender, emotional state, diet, and more.
“Think of it kind of like speaking with chemicals,” the video’s narrator says, referring to the glandular secretions released by glands in a dog’s anal sac. “In fact, this butt-sniffing action is just one of many examples of chemical communication in the animal kingdom.”
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