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Does a dog's intelligence depend on its size?
In particular, such dogs may express their feelings more than others.
Dogs that have a larger brain relative to their body are not necessarily smarter. This is evidenced by a new study published in the journal Biology Letters, Live Science reports.
Researchers suggest that although service dogs may have more complex abilities compared to other breeds, they are organized in a more compact brain space.
“In other groups [видов] “Relative brain size predicts higher cognitive abilities – here we see the opposite,” said the lead author of the new study and an evolutionary biologist from the Institute of Evolutionary…
