Dogs can find hidden food better if they see it being stored by a human, indicating they remember the food being put away and aren't just sniffing it out.
This research reveals that dogs and wolves are capable of observational spatial memory, a form of social learning, which is when an animal learns via watching another animal, or by interacting with the animal. This behavior is a marker of intelligence in an animal and has been observed in a variety of species.
"The fact that we found high retrieval rates in the control trials support the conclusion that also odor cues were used to find the caches.""Not surprisingly, the wolves and the dogs improved their efficiency in retrieving caches over the course of the experiment. While they were rather good at finding four caches from the beginning on, they achieved a similar success rate with the eight caches in the later trials with increasing experience, the authors wrote.
"Interestingly, wolves outperformed dogs irrespective of whether the caching could be observed or not. We suggest that this result is due to a difference in motivation/persistence between wolves and dogs rather than observational spatial memory," the authors wrote in the paper.
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