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Nagging biological indicator
Due to the fact that the sparrow cunning and thievish, widespread version of the origin of the word "sparrow" comes from the thief - beat! ". In fact, in the Slavic languages, the word "sparrow" has the same root as the word "coo". The basis of this verb, as the verb "to grumble", served not survived today the word "Vork." So this bird called for constant does not stop for a minute tweeting.
Most members of the family on the ground are moving jumps because of the short leg.
In 1958, at the initiative of the Great Helmsman Mao Zedong in China launched a campaign to combat pests. The main enemies were announced sparrows, because according to his calculations, they ate a year tens of thousands of tons of rice in the fields. Since sparrows can not be in the air without resting more than 15 minutes, the Chinese were given instructions in every way to scare the birds so they do not sit down and toppled to the ground dead. According to statistics, the year they were destroyed nearly 2 billion. Although a year has become a better harvest, it strongly ate caterpillars and grasshoppers, the number of previously regulated sparrows. Ecological imbalance caused by the policy exacerbated the Great Leap Forward famine and natural disasters, which killed more than 20 million people. Sparrows had to again be imported from abroad. Interesting fact, the sparrow - Monogamous birds paired faithful to each other for years. Anyone who has not developed since the fall of the family or for a winter killed a female, doomed to spend the next season bachelor. Of course such a male will seize every opportunity to persuade lone female life together. However, it is not easy t. To. The beginning of the breeding season males significantly more than females (one hundred sparrow sparrows have to one hundred and fifty). The average life expectancy of sparrows from 9 to 21 months. Met such individuals who lived and 9, and 11 years. It is believed that the house sparrow as one of the closest neighbors of birds person can act as a "biological indicator", and as the population of this species can be seen on the changes in the environment being cohabiting person, sparrow scattered across the world, it is still possible to meet in rural and urban areas, in the settlements of the Far North and Central Asia. However, in Central Asia, he usually kept away from the man. In America 60-ies of the last century there was no sparrows. They were brought from England to fight the caterpillars. Meat sparrow firmly and tasteless, so rarely used in food. Sparrow heart beats 600--850 times per minute at rest and in flight - 1000 strokes per minute. The normal body temperature of a sparrow - 44 degrees. Due to the structural features of the eye, sparrows see the world in pink light, and in the neck sparrow twice vertebrae than a giraffe; Young sparrows with their yellow coloration around the beak is called "wet behind the ears." People sign says that if a sparrow bathes in the sand, it will rain, in fact, so bird gets rid of parasites and cleans feathers. Sparrow are monuments in many cities around the world, well, the most famous in Russia - a monument finch-Pyzhik in St. Petersburg. Yes siskins also belong to the sparrow family.
Source: i-fakt.ru/interesnye-fakty-pro-vorobev/
Most members of the family on the ground are moving jumps because of the short leg.
In 1958, at the initiative of the Great Helmsman Mao Zedong in China launched a campaign to combat pests. The main enemies were announced sparrows, because according to his calculations, they ate a year tens of thousands of tons of rice in the fields. Since sparrows can not be in the air without resting more than 15 minutes, the Chinese were given instructions in every way to scare the birds so they do not sit down and toppled to the ground dead. According to statistics, the year they were destroyed nearly 2 billion. Although a year has become a better harvest, it strongly ate caterpillars and grasshoppers, the number of previously regulated sparrows. Ecological imbalance caused by the policy exacerbated the Great Leap Forward famine and natural disasters, which killed more than 20 million people. Sparrows had to again be imported from abroad. Interesting fact, the sparrow - Monogamous birds paired faithful to each other for years. Anyone who has not developed since the fall of the family or for a winter killed a female, doomed to spend the next season bachelor. Of course such a male will seize every opportunity to persuade lone female life together. However, it is not easy t. To. The beginning of the breeding season males significantly more than females (one hundred sparrow sparrows have to one hundred and fifty). The average life expectancy of sparrows from 9 to 21 months. Met such individuals who lived and 9, and 11 years. It is believed that the house sparrow as one of the closest neighbors of birds person can act as a "biological indicator", and as the population of this species can be seen on the changes in the environment being cohabiting person, sparrow scattered across the world, it is still possible to meet in rural and urban areas, in the settlements of the Far North and Central Asia. However, in Central Asia, he usually kept away from the man. In America 60-ies of the last century there was no sparrows. They were brought from England to fight the caterpillars. Meat sparrow firmly and tasteless, so rarely used in food. Sparrow heart beats 600--850 times per minute at rest and in flight - 1000 strokes per minute. The normal body temperature of a sparrow - 44 degrees. Due to the structural features of the eye, sparrows see the world in pink light, and in the neck sparrow twice vertebrae than a giraffe; Young sparrows with their yellow coloration around the beak is called "wet behind the ears." People sign says that if a sparrow bathes in the sand, it will rain, in fact, so bird gets rid of parasites and cleans feathers. Sparrow are monuments in many cities around the world, well, the most famous in Russia - a monument finch-Pyzhik in St. Petersburg. Yes siskins also belong to the sparrow family.
Source: i-fakt.ru/interesnye-fakty-pro-vorobev/
