Why Your Dog Eats Poop, and Other Odd Pet Behavior Explained

Experts weigh in on some of the stranger habits of cats and dogs.

From dogs that demonstrate decidedly odd tastes in treats to cats that think outside the litter box, pets can exhibit some seriously strange behavior. This week, we asked the pros to field questions from readers wondering about their pets’ peculiar habits.

Many animals consume feces, a most locally sourced meal that may contain intact food particles—and thus nutrition.

To the horror of dog owners, this fondness for feces sometimes applies to their pets. (Why Do Animals—Including Your Dog—Eat Poop?)

It “may be an evolutionary legacy of the dog’s long history of scavenging for a living,” says James Serpell, a professor of animal ethics and welfare at the University of Pennsylvania School of Veterinary Medicine, via email.

Reader Susan Moynihan just wants to

DON'T MISS THE REST OF THIS STORY!
Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Create your free account to continue reading

No credit card required. Unlimited access to free content.
Or get a Premium Subscription to access the best of Nat Geo - just $19
SUBSCRIBE

Read This Next

Is banning fishing bad for fishermen? Not in this marine reserve
SeaWorld allegedly violated the Animal Welfare Act. Why is it still open?
'World’s worst shipwreck' was bloodier than we thought

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet