the averrage is about 2km but some beer can more 5km
By smell. The female will go into the estrus and she will attract a mate by putting an odor that males can smell.
2 miles a way
Not nearly as far as they can smell. They may have relatively poor eyesight, but their keen noses are the most sensitive of any land animal. A polar bear can smell blood from miles away in subfreezing air temperatures.
Yes by smell
Reports say that a polar bear can smell a seal over a mile away. That's on top of the ice, not under it. Bears can't smell seals that are under water.
With their keen sense of smell, polar bears can detect prey from as far away as 20 miles, even through snow or ice that is six feet thick. See the related link below.
A bear's sense of smell is incredibly acute. Polar bears have been known to smell seals as far as 30 km away! Among land animals, a bear arguably has the keenest sense of smell.
A "she-bear" is a female bear. Otherwise known as bear that is a girl.
Rabbits don't go into heat.
Smell of Female was created in 1983.
The dog has the best sense of smell.
A well-known native American axiom has it that "If a tree falls in the forest, the hawk will see it and the deer will hear it; but the bear... the bear will smell it."