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Writes researcher and naturalist Igor Shpilenok:

Bear rubs against a tree marking, leave it to its own individual scent. This bears a way to communicate within a population, transmission of information to other individuals. Zoologists call it marking activities.

Marking objects are most often trees. It can be rocks and stones, even human construction. For some reason bears the marking object angle chosen guest summer house in the backyard of my cordon. Even if there are people, animals come to fulfill its marking "duty", and the flimsy house shudders stronger than an earthquake. For marking animals are sometimes used as katalischa, shore knocked them into pits, swamps kupalisch.
Other bears are used for labeling the same trees. The researchers compared these tree house book, which is registered volunteer living in this place bears. And the animals are constantly updating their records.

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There is a "record" is. Beast fits the label carefully sniffs standing on four legs or two. Then the bear turns his back to a tree and sitting or standing on its hind legs, neck and cheeks begins (apparently, in these areas there are special cancer) with the power to rub against the bark. Some animals have a snack trunk and branches, bark. Bears are suitable for marking trees "stilted" step with the force driving a foot into the ground, leaving a kind of hole in the ground. Each bear approaching this tree tends to get his paws in the wells, they are constantly deepening.

The greatest intensity of marking behavior reaches right now, at the junction of May and June, during the mating season, and is inherent in male. The only time in the Valley of Geysers, I saw marks the female. It was Temnolapka constant inhabitant of the Valley.



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