Who's a Smart Dog?!

An estimate of dog intelligence requires looking at non-dogs as well to understand what's special to canines and what is just typical of the taxonomic groups they're in.

Illustration of a Bohr atom model spinning around the words Science Quickly with various science and medicine related icons around the text

Join Our Community of Science Lovers!

If you have a dog, you’ve probably tried to train it. The basics, like sit and stay. Plus, of course, not to go to the bathroom on your rugs. And if your dog learns things quickly, you might start to think it’s really smart. But:

“If you really want to know about dog intelligence, you have to look at non-dogs as well to understand what's special to dogs and what is just typical of groups they belong to.”

Stephen Lea, a retired professor of psychology from the University of Exeter in the U.K. He and colleagues looked at dog intelligence in an animal intelligence context for a report in the journal Learning & Behavior. [Stephen EG Lea and Britta Osthaus, In what sense are dogs special? Canine cognition in comparative context)


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


Lea and his team looked at hundreds of published studies to compare dog cognition with that of other animals. They found that dogs are adept at picking up on social cues.

“They're good, for example, at using human pointing or following human gaze, looking at what you're looking at. We’re not saying dogs aren’t good at those tasks, they are. What we were saying is that there are some other animals that are just as good at them.”

Like bottlenose dolphins and gray seals.

“It’s not something that's unique to dogs or indeed that unexpected in dogs, given the sorts of animals dogs are. Namely, they’re domesticated, They’re derived from social hunters. And important, they’re carnivores. They belong to a big group of mammals that also includes cats, hyenas, otters, bears, and also the seals and sea lions, which we sometimes forget about. But which, of course, are also very easy to train despite not being domestic.”

And while dog cognition may not actually be exceptional, their noses definitely are:

“Their sense of smell…the extraordinary things that they can discriminate, like which of two identical twins they're looking at or sniffing at.”

Lea also points out there are some tasks that dogs apparently cannot do, such as use tools or exhibit self-awareness. But:

“There's always the possibility that someone, somewhere is at this moment demonstrating that a dog can do something that we said it couldn't. And, because you can't prove a negative, so we could be wrong…in some sense, one reason why we wrote the paper was to challenge our colleagues to, okay, show us the evidence. Find a dog that will do these things and we’ll happily change our minds. We’re not, oh, I can feel the word coming: we’re not dogmatic.”

—Lucy Huang

[The above text is a transcript of this podcast.]

It’s Time to Stand Up for Science

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in that two-century history.

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm always educates and delights me, and inspires a sense of awe for our vast, beautiful universe. I hope it does that for you, too.

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs across the U.S.; and that we support both budding and working scientists at a time when the value of science itself too often goes unrecognized.

In return, you get essential news, captivating podcasts, brilliant infographics, can't-miss newsletters, must-watch videos, challenging games, and the science world's best writing and reporting. You can even gift someone a subscription.

There has never been a more important time for us to stand up and show why science matters. I hope you’ll support us in that mission.

Thank you,

David M. Ewalt, Editor in Chief, Scientific American

Subscribe