Black Sea bottlenose dolphin - a kind of bottlenose dolphins genus belonging to the order Cetacea, a class of mammals.It lives not only in the Black Sea (as it may seem from the title), but also in almost all warm and temperate waters of the oceans.Approximate number is 130 thousand.According to the official classification called Tursiops truncatus, and according to unofficial - large dolphin.
Black Sea bottlenose dolphin grows to an average length of up to 3 m with a mass of about 250 kg.Males are generally larger than females.The head is small, accounting for about one sixth of the total length of the animal.Tall dorsal fin has a crescent groove back.Wide chest with a special.Color body predominantly dark, a gray and white belly.Teeth from 76 to 100 may have the Black Sea bottlenose dolphin.Photos presented in this article demonstrates a more elongated lower jaw than the upper.
These marine animals by nature are not alone, they roam in packs.The coastal area attracts them from the point of view of the bottom of subsistence.The diet consists of a variety of fish, shrimp, octopus, clams.During the hunt, help each other.During the day, they can eat up to 15 kg of live food.In pursuit of prey, moving jerkily with a sharp turn.Can exceed a speed of 35 km / h, jump out of the water to 5 m in height.
Black Sea bottlenose dolphin has a unique voice machine.Between individuals communicating on a frequency of 7 to 20 kHz.Orient at depth using echolocation flipping.Sleep primarily at night near the surface of the water without stopping movement.Hemispheres of the brain at this time resting alternately.
sexual maturity Black Sea bottlenose dolphin up to 6 years.During mating season, which falls in the spring or summer, there are mutual stroking, biting, original bending bodies.Short-term mating occurs several times, on the go.Pregnancy lasts for a year.During labor, which can last up to 2 hours to help the expectant mother "aunt" - other females from the pack.They distilled relatives, ensuring peace.
calving occurs folded into a tube tail first.Weight of it - about 16 kg, and length - 1 m. Help of pushing the newborn to the surface for the first gasp.And later helped found the nipple.At first, the baby is fed frequently (up to 30 times per day), from the mother's sails.Approximately 4 months later, he begins to eat solid foods without giving up milk to 2 years.
Black Sea bottlenose dolphins are not aggressive towards humans.Moreover, it described many cases where these animals are rescued people from sharks or drowning pulled.They are trained wonderful.Experienced trainers claim that they are using certain sounds can talk to people.The understanding of human speech can be seen in the performance of tricks during the performances.
Unfortunately, destroying dolphins for their meat, they often die from entanglement.The fishing catch fish affects their livelihood.Water pollution of the oceans and the use of powerful sonar do not contribute to an increase in the number of such good-natured and intelligent animal, as the Black Sea bottlenose dolphin.The Red Book of Russia was replenished subspecies Tursiops truncatus in 1966, since fishing is prohibited.
