Temperate weather strips bat activity depends on a number of microclimatic conditions: rain, wind, temperature, and insects - their main food - Activity. During the winter due to lack of food bats spend įmygyje, called hibernacija. Hibernacijai they should seek appropriate shelter, which are often far away from the breeding colonies. Some have adapted hibernuoti underground bunkers and endure harsher weather conditions, others prefer less secure hiding places, so shelters should be warm temperate zone. Drifting through the winter hiding places they migrate short or very long distances.
According to the migratory behavior of bats are divided into three groups. The first group consists of sedentary bat species, the wintering and breeding colony consists of offspring in one region, So the wintering flies up 50 miles. This group includes quick-eared brown, Natererio bat.
The second group consists of bats, regular short-or medium-range seasonal clearance, migration distance usually does not exceed 500 km. This group includes water and pond bat and European plačiaausis. The third group of bats, conducting regular long-range seasonal clearance. These species from summer to winter shelters flies over 1000 km. This group consists of the bat and the little brown primrose, Pipistrelle bat Nathusius', pipistrelle dwarf and two colors Plikšnys.
The largest part of Europe, bats migrate from summer to winter shelters south-west, In spring, returns to. The most common bats migrate along the sea coast, river valleys and furrows. Migration, bats as a means of orientation in the environment using vision and echolocation. When flying close to the ground they echolokuoja, while flying high in the guideline becomes feeds, River, trees planted, even hedges.