Water night book from the Red Book photo and brief description

A water spine this is a bat, belonging to the species of bats, a smoothlegged family. It is also called the “nightshack of addton”, by the name of the naturalist from France named Louis addon. The nightlight chooses a forest zone close to the river or channel as a place of residence.


Water nightlight is a representative of bats of small types. Distinctive features of a water spine:

  • small body size;
  • shortened ears;
  • The wings are wide, the ends of the wings are blurred;
  • very low flight speed;
  • Life expectancy is 22 years old.
  • As one of the types of bats, a water night with a waterproof has the ability to publish two types of sound signals: when communicating with its brothers, ordinary sound and ultrasound with a frequency of 45 Killerz.

    A water spine is a compact fluffy animal having a twocolor coloring. Young individuals are painted in lighter tones compared to adults.


    In size, a small water spine. The body length is 4.8-5.5 centimeters, and the tail is 3.7-4.4 centimeters. The wingspan lies in the range of 24-28 centimeters. Weight is only 8-14 grams.

    The fur is short and thick. The color of the hairs of fur of two colors: dark brown and brown color. The abdomen is painted with lighter brown-gray tones. Wings in comparison with the body are wide. The wing membrane is attached to the middle part of the foot.

    The ears are flattened and directed to the nose along the head. The goat in size is small (7.5 mm). The shape of the ears is elongated. The gap between the eyes is wide. The number of teeth is 38.

    Where it lives

    Water nightlight finds a habitat located near reservoirs. The range spreads in the areas of the Continent Eurasia. Water nightlight chooses areas near reservoirs: reservoirs, reclamation systems, ponds, watercourses, rivers.

    Here are the main regions of her habitat:

  • steppe and foreststeppe zones from near the polar circle to Ireland to the west;
  • Small Asia (northern part);
  • northeast of Kazakhstan;
  • Caucasus;
  • Siberia (before the Irtysh);
  • Crete.
  • What eats

    A water spine eats small insects that live in the air above the surface of the water, namely:

  • midges;
  • mosquitoes;
  • Spring;
  • chorinomide;
  • Moklatsov;
  • scales (small).
  • During the summer season, a water nightlight absorbs more than 60,000 insects. The colony in the amount of 20-26 individuals can destroy one and a half million blood-sucking insects over the summer.

    Insect hunting does not stop under adverse weather conditions. Water nightlight flies and eats insects during the rain and at temperatures plus 8-9 degrees.


    In the warm period, a water nighter is arranged in hollows, in wooden attics, in bird nests. In winter, hides in basements, cellars or wood raw hollows. Winter shelters should have high humidity and temperature not less than +2 degrees. The wintering period lasts from October to March. Water nightlight performs small migrations. It can fly to wintering a maximum of 260 kilometers.

    For the hunting nights, water flows twice twice: in the evening and early in the morning. They hunt next to their refugees, dropping close to the water surface, about 10-15 centimeters. The prey is grasped during the flight.

    The spinning spinning spin has a definite marriage period. Mating occurs randomly during the year. Pregnancy lasts almost two months. Each female has one cub, rarely two. Cubs are born naked and blind. They grow quickly: after a month and a half, it is practically difficult to distinguish from adults.

    Water nightlights live up to 22-23 years.

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