Animal You | Beluga Whale | The tail fin grows and becomes more curved and decorated with old animals. Preliminary studies on the life expectancy of the beluga is rarely more than 30 years. The study estimates that, therefore whales can live for 70 or even 80 years. Belugas Adult males may be 3.5 to 5.5 m (11 to 18 feet), while females measure ft (9.8 to 13.5) from 3 to 4.1 m. Males weigh 1100 to 1600 kg (2.400 pounds and 3500), sometimes up to 1,900 kg (4.200 pounds), while females from 700 to 1200 kg (1500 pounds and 2600). Are included in the types of media in toothed whales. Both sexes reach their maximum size at the time they are 10 years old.
Between 40% and 50% of your weight is fat, which is a higher proportion than whales and dolphins who have not lived in the Arctic, where the fat is only 30% of body weight, fat forms a layer that covers the entire body except the head, and may be up to 15 cm (5.9 in.) thick. Adult beluga rarely confused with other types, as it is completely white or whitish gray. Calves are born gray, but in general, when they are one month, have become dark gray or blue-gray. The white color of the skin is an adaptation to life in the Arctic, belugas can be dressed up in ice caps to protect against their main predators, polar bears and killer contrast to other whales, seasonal moulting .
Remove found when they migrate to estuaries during the summer, rubbed on the gravel river bed, the skin that covers the toothed whales, such as a compartment over the forehead, an organ used for echolocation, even as a melon tissue containing oily fat. The head shape is different from that of all whales, such as melon is very bulbous, lobed, and is visible as a large frontal bossing. Another feature is to have the melon deformable shape changes during the transmission of sound. Beluga is capable. The head shape by blowing air around her breasts, concentrate to change the noise contained in this body oil contains fatty acids, mainly isovaleric acid (60.1%) and long chain acids (16.9%), a very different composition of their body fat, which could play a role in echolocation.
Unlike many dolphins and whales, the seven neck vertebrae are not fused, the animal turned his head to the side without turning your body. This gives the head of a lateral maneuverability, better field of vision helps capture prey and avoid predators and allows movement in deep waters. The panel has about eight to 10 small teeth blunt and slightly curved. Under normal conditions, the vent closed and an animal needs to contract muscles to open the lid vent. Beluga is a thyroid than terrestrial mammals - weighing three times more than that of a horse - which is to maintain a higher metabolism during the summer, when you live in estuaries help.
Nerves to keep the bones of the ancestors of mammals, beluga, and are rigidly connected by connective tissue. The fins are small relative to body size, rounded and slightly curved rudder and advice. These tips are mainly used as versatile rudder to control direction (10 feet) in sync with the caudal fin and the agile movement in shallow water up to 3 m depth. Finns are surrounded win a mechanism for regulating body temperature, as the arteries that feed the muscles in the fins of the veins, or extend the contract or lose heat. The dorsal fin whales instead of a dorsal fin. The pods are generally unstable, individuals tend to move pods pods sense. Hundreds or even thousands of people may be present when the pods are enclosed estuaries during the summer.
Belugas can also jokingly spit on people or other whales Belugas also show a high degree of curiosity of people in the desert, and they often swim with the boat. They also play with objects in the water, in nature, they do it with wood, plants, dead fish with bubbles and created. During the breeding season adults were observed carrying objects such as plants, networks and even the skeleton of a dead deer on the head and back. Females in captivity were also observed this behavior representation, carry objects such as buoys and floats after losing a calf, trade experts consider these interactions with objects can be a substitute for the behavior
Belugas are slower swimmers than other toothed whales, dolphins and killer as hydrodynamic as limited movement and have fewer of its fins that generate a greater extent. Unlike most whales, which are able to swim back. Beluga whales float to the surface between 5% and 10% of the time while the rest of the time swimming at a depth sufficient to cover the body. You do not jump out of the water like dolphins or whales. Each animal in captivity were at depths of 400-647 m below sea level recorded while the animals were recorded in the wild, such as diving to a depth of over 700 meters, with the highest recorded depth is 872 m. All cetacean species such as beluga whales have developed physiological adaptations to conserve oxygen underwater. One study found a female beluga was 16.5 liters of oxygen dissolved in the blood. Finally, high concentrations of myoglobin beluga muscle protein that stores oxygen in the muscles. Myoglobin concentrations are several times higher than for terrestrial mammals, helps to prevent lack of oxygen during dives
Trends in age at sexual maturity belugas vary considerably, most authors consider males reach sexual maturity when they are between four and seven years, and females reach maturity when they are between four and nine years age. The average age at which women give birth to first is 8.5 years and fertility begins to decline when he is 25 years, no births to women in the 41st Beluga females usually give birth to one calf every three years. The implantation is delayed Beluga. The young are born during a longer period, which varies by location. Milk composition studies in captivity, females have shown varies with the individual and the stage of lactation, which has an average fat content of 28%, protein 11%, 60.3% water and less 1% milk contains residual solids.The about 92 calories per ounce. The young remain dependent on their mother for care during the first year if their teeth look. Alloparenting (care of women is different from the mother) was observed in belugas in captivity spontaneous milk production and long term. This suggests that the behavior observed in other mammals can belugas released.
Belugas use sound and echolocation for movement, communication, find breathing holes in the ice, and hunting in the dark waters or disorders. Grapes arriving as an acoustic lens, the sound on a beam which is projected forward relative to the weight of the surrounding water Distributing these sounds in water at a rate of about 1.6 kilometers per second, about four times faster than the speed of sound in air. The sound waves bounce off objects and return water as echoes heard and interpreted by the animal. Around the thick ice of the Arctic to capture polinyas (areas of unfrozen water) breathing, or air pockets under the ice frozen Belugas are tests are very sensitive to noise generated by humans. Transmitted by the same person produces sounds with a maximum frequency of 100 to 120 kHz in Kaneohe Bay, Hawaii. Belugas are one of the largest of the. Belugas use a variety of habitats, which are more common in shallow waters near the coast, but have also been reported to live for a while in deeper waters, where they feed and give birth In coastal areas, can be found in bays, fjords, canals, bays and shallow waters of the Arctic Ocean always shine sunlight.
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