Scientists have discovered why the wolves can not be tamed

Comparing the behavior of pups and pups, the researchers found that they respond differently to the world. This explains why the dog susceptible to tame, and wolves — no. The research, conducted by U.S. biologists from the University of Massachusetts, published in the journal Ethology.

Unlike dogs, which are genetically similar, wolves can not live with a man. To understand how this is related to their behavioral characteristics, the researchers observed in the laboratory for the development of 11 pups and 43 pups. It turned out that they have different perceptions of the new information.

"When the wolf pups start to hear and see, initially they are afraid of all the new sounds and visual stimuli. The inclusion of each new sense organ is their sensory shock, which is not typical for young dogs, "- said Catherine Lord, one of the researchers.

Experiments have shown that the perception cubs and puppies growing at the same rate — to distinguish odors they start at 2 weeks of age, to hear — at the age of 4, and see — at the age of 6 weeks. But the cubs take their first steps, being two-week, and relying solely on the sense of smell, and the puppies activity period begins two weeks later, when "on" hearsay.

Home is also the beginning of the activity period of socialization when pups know who they should be afraid of, and who — no. The researchers found that during this period the puppies need only 90 minutes of contact with a person or a horse to get used to them, whereas the cubs need a 24-hour contact, although even then the fear does not disappear completely.

"The difference between wolves and dogs can be not only in the genes, but also in how they are included" — explained the Lord. As the researchers hope their findings will help zoologists working with wolves in captivity and the wild.

Category: Animals

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