Английский язык для 7 класса Вариант № 6 Задания Д3 № 151 картинка 3
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Otter - a large animal with an elongated flexible body streamlined. Body length - 55-95 cm, tail - 26-55 cm, weight - 6-10 kg. Legs short, with swimming membranes. The tail is muscular, not fluffy. fur color: dark brown top, bottom bright silver. The guard hair is coarse, but very dense underfur and tender. woolly cover density can reach 51 thousand per 1 cm2 [2]. Such a high density of undercoat makes the fur completely impermeable to water and perfectly insulates the animal's body, protecting it from hypothermia. Build otters adapted for swimming under water: flat head, short legs, a long tail. Distribution [edit | edit wiki text]The most common representative of the subfamily of otters. It occurs over a wide area, covering almost all of Europe (except the Netherlands and Switzerland), Asia (except the Arabian Peninsula) and North Africa. In Russia, it found everywhere, including in the Far North in the Magadan region, Chukotka. Lifestyle and nutrition [edit | edit wiki text]Otter frei.jpgOtter leads a semi-aquatic lifestyle, floating fine diving and extracting their food in water. Otter may remain underwater for up to 2 minutes. [3] She inhabits mostly in forest rivers, rich in fish, at least - in lakes and ponds. It is found on the coast. He prefers river with a whirlpool, a winter ice-rapids, with podmytuyu water windbreak cluttered beaches, where many safe shelter and places to burrow device. Sometimes it suits their lairs in caves, or like nests in the bushes near the water. Inlets her holes opened under water. Hunting grounds constitute one otter summer long section of the river from 2 to 18 km and about 100 meters deep into the coastal area. In winter, when the depletion of fish stocks and the freezing of polynyas she is forced to wander, sometimes crossing the straight high watersheds. At the same time with the otter slopes down, slipping down on his belly, leaving a distinctive mark in the form of a trough. On ice and snow, it takes a day to 15-20 km. Otter feeds mainly on fish (carp, pike, trout, roach, goby), with smaller fish prefers. In winter eats frogs, quite regularly - caddis larvae. In the summer, except for fish, catches water voles and other rodents; sometimes systematically hunts for ducks and waders. Social structure and reproduction [edit | edit wiki text]Otters - solitary animals. Mating, depending on the climatic conditions in spring (March - April), or most of the year, such as in England. Otters mate in water. Pregnancy - a latent period, reaching up to 270 days; he gestation period of only 63 days. The brood usually 2-4 cubs blind. Cubs otters are called pups. Sexual maturity at Otters comes on the second or third year of life. Economic significance [edit | edit wiki text]Otter is very beautiful and durable. His fur wear in the case taken as 100%. During processing, the plucking and rough spine remains short, dense, soft underfur. Fur coats from fur of otters are one of the most durable and wear - can be worn up to thirty seasons, especially if the sea otter. One of the most valuable species of otter fur, which is highly valued, living in Alaska. In some areas of Bangladesh otters used as hunting animals - they drive the fish into fishermen's nets (the adults hold on long leather leashes and young floats freely - he still does not float away from their parents). The status of the population and protection [citation needed | edit wiki text]Hunting and the use of pesticides in agriculture have reduced the number of otters. In 2000, common otter was added to the Red List of the World Conservation Union (IUCN) as "vulnerable» (vulnerable) species. Kind is brought in the Red book of the Sverdlovsk region [4], Saratov and Rostov regions.
fur color: dark brown top, bottom bright silver. The guard hair is coarse, but very dense underfur and tender. woolly cover density can reach 51 thousand per 1 cm2 [2]. Such a high density of undercoat makes the fur completely impermeable to water and perfectly insulates the animal's body, protecting it from hypothermia. Build otters adapted for swimming under water: flat head, short legs, a long tail.
Distribution [edit | edit wiki text]The most common representative of the subfamily of otters. It occurs over a wide area, covering almost all of Europe (except the Netherlands and Switzerland), Asia (except the Arabian Peninsula) and North Africa. In Russia, it found everywhere, including in the Far North in the Magadan region, Chukotka.
Lifestyle and nutrition [edit | edit wiki text]Otter frei.jpgOtter leads a semi-aquatic lifestyle, floating fine diving and extracting their food in water. Otter may remain underwater for up to 2 minutes. [3]
She inhabits mostly in forest rivers, rich in fish, at least - in lakes and ponds. It is found on the coast. He prefers river with a whirlpool, a winter ice-rapids, with podmytuyu water windbreak cluttered beaches, where many safe shelter and places to burrow device. Sometimes it suits their lairs in caves, or like nests in the bushes near the water. Inlets her holes opened under water.
Hunting grounds constitute one otter summer long section of the river from 2 to 18 km and about 100 meters deep into the coastal area. In winter, when the depletion of fish stocks and the freezing of polynyas she is forced to wander, sometimes crossing the straight high watersheds. At the same time with the otter slopes down, slipping down on his belly, leaving a distinctive mark in the form of a trough. On ice and snow, it takes a day to 15-20 km.
Otter feeds mainly on fish (carp, pike, trout, roach, goby), with smaller fish prefers. In winter eats frogs, quite regularly - caddis larvae. In the summer, except for fish, catches water voles and other rodents; sometimes systematically hunts for ducks and waders.
Social structure and reproduction [edit | edit wiki text]Otters - solitary animals. Mating, depending on the climatic conditions in spring (March - April), or most of the year, such as in England. Otters mate in water. Pregnancy - a latent period, reaching up to 270 days; he gestation period of only 63 days. The brood usually 2-4 cubs blind. Cubs otters are called pups.
Sexual maturity at Otters comes on the second or third year of life.
Economic significance [edit | edit wiki text]Otter is very beautiful and durable. His fur wear in the case taken as 100%. During processing, the plucking and rough spine remains short, dense, soft underfur. Fur coats from fur of otters are one of the most durable and wear - can be worn up to thirty seasons, especially if the sea otter. One of the most valuable species of otter fur, which is highly valued, living in Alaska.
In some areas of Bangladesh otters used as hunting animals - they drive the fish into fishermen's nets (the adults hold on long leather leashes and young floats freely - he still does not float away from their parents).
The status of the population and protection [citation needed | edit wiki text]Hunting and the use of pesticides in agriculture have reduced the number of otters. In 2000, common otter was added to the Red List of the World Conservation Union (IUCN) as "vulnerable» (vulnerable) species.
Kind is brought in the Red book of the Sverdlovsk region [4], Saratov and Rostov regions.