Q: Why do dogs sniff each other?
Why do dogs sniff one another where they do?
Despite dogs’ infamous interest in all things fecal, that’s not why dogs sniff the rear ends of other dogs.
Canine scent pheromones are secreted from glands named for their location: the anal glands, the circumanal glands (located around the anus), the interdigitate glands (between the toes), and glands on the back and tail.
If dogs could shake paws when they met, they might sniff those interdigitate toe glands, too.
Thanks to the vets at BluePearl Veterinary Partners (bluepearlvet.com) for this answer.
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