Wolves found to be better at problem-solving task than domesticated dogs

September 16, 2015 by Bob Yirka, Phys.org report

Credit: Noël Zia Lee, Wikimedia Commons
(Phys.org)—Monique Udell, a researcher with Oregon State University, has found via experimentation, that domestic dogs appear to have lost some of their problem solving abilities as a result of their long history with humans. In her paper published in the journal Biology Letters, she describes a study she carried out and offers some theories on why she believe domesticated dogs may have lost some of their natural skills.

Udell notes that have long been known to work with people as they go about their lives, in contrast to animals in the wild—one such striking behavior is their tendency to look back at their human companion when faced with a perplexing situation—seemingly asking for help. To learn more about this behavior, Udell enlisted the assistance of ten dogs that live as pets (and their owners), ten that live in shelters, and ten that have been raised by humans.

Each of the animals was presented with a tasty sausage, which they were allowed to sniff, but not eat. Instead, the sausage was placed inside of a with a snap-on lid connected to a short length of rope. To open the , the animals needed to pull on the rope while holding down the container—a task Udell deemed relatively easy for animals as smart as dogs and wolves. Udell conducted the experiments in two ways, one where the animal was left alone with the container, the other where there was a human (their owners) standing close by.

Udell reports that none of the pet dogs was able to open the container and just one of the was able to do so, but eight of the ten wolves succeeded. The presence of a person nearby didn't help much, the same number of wolves succeeded and one pet did so. She notes that all of the dogs from both groups spent a lot more of their time looking at the person, than did the wolves. Next, Udell allowed a human to offer encouragement to the dogs—doing so increased the success rate of the shelter dogs, four of them opened the container, but still just one pet dog was able to do it.

The experiment is intriguing Udell notes, because all of the dogs and wolves were capable of opening the container, but only the wolves were truly motivated to do so, as demonstrated by a much higher level of persistence—the dogs on the other hand appeared much more ready to ask for help.

Explore further: Canine telepathy? Study explores how dogs think and learn about human behavior

More information: When dogs look back: inhibition of independent problem-solving behaviour in domestic dogs (Canis lupus familiaris) compared with wolves (Canis lupus), Biology Letters, Published 16 September 2015.DOI: 10.1098/rsbl.2015.0489

Domestic dogs have been recognized for their social sensitivity and aptitude in human-guided tasks. For example, prior studies have demonstrated that dogs look to humans when confronted with an unsolvable task; an action often interpreted as soliciting necessary help. Conversely, wolves persist on such tasks. While dogs' 'looking back' behaviour has been used as an example of socio-cognitive advancement, an alternative explanation is that pet dogs show less persistence on independent tasks more generally. In this study, pet dogs, shelter dogs and wolves were given up to three opportunities to open a solvable puzzle box: when subjects were with a neutral human caretaker, alone and when encouraged by the human. Wolves were more persistent and more successful on this task than dogs, with 80% average success rate for wolves versus a 5% average success rate for dogs in both the human-in and alone conditions. Dogs showed increased contact with the puzzle box during the encouragement condition, but only a moderate increase in problem-solving success. Social sensitivity appears to play an important role in pet and shelter dogs' willingness to engage in problem-solving behaviour, which could suggest generalized dependence on, or deference to, human action.

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not rated yet Sep 16, 2015
I bet the dog that solved the test was a border collie.
Captain Stumpy
3.7 / 5 (3) Sep 16, 2015
wolves are also masters of escape
1 / 5 (3) Sep 17, 2015
Would this not indicate that our supposed 'tameness' in the origin of cattle raising is also the result of a natural condition, i.e. the exposure of radioactive radon or other earth gases to the detriment of intelligence?
4.2 / 5 (5) Sep 17, 2015
So, we have taken away the natural urges of dogs and bred obedience and dependence into them, or have we. It would be interesting to see the result with puppies or females with litters to feed.
Captain Stumpy
4.3 / 5 (4) Sep 18, 2015
It would be interesting to see the result with puppies or females with litters to feed.
this is actually interesting and would be something i would like to see!

it might provide the stimulus to alter the POV of above... although i don't know by how much.

good thought, though!
3.7 / 5 (3) Sep 18, 2015
The reward was food. The wolves have always had to feed themselves. The domesticated dogs nearly always get their food from humans, going back countless generations - thousands of years. The shelter dogs have the domesticated dog's genes, but more of the wolves motivation. Predictable results, but interesting to see the prediction play out - the reason to run an experiment.
not rated yet Sep 22, 2015
I'd like to see the study done with feral or "re-wilded" dogs rather than "shelter dogs" and if determined to be ethical, captive wolves, to completely rule out a lack of nurture. On a similar line of thought to antigoracle, the relative reward of the food may be less to the dog, given that they are likely to be fed daily and therefore may not be an accurate measurement of their intelligence.

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