Falconiformes Eagle Section 1 genus. This is a great shape, body length 760 to 1000 mm; tarsal front with a shield-like scales, scales back edge with a mesh shield-shaped or irregular scales; a claw at the end of the mask channel. Distributed almost throughout the world, a total of 8. There are 4 known in China: Steller's sea eagle, Pallas's sea eagle, white-tailed sea eagle and White-bellied Sea Eagles. Often inhabit the waters nearby. During migration, away from the waters of the steppe or alpine areas can also see traces of them. Food mainly fish, various birds, rodents, feeding on carrion, or sometimes a small amount of algae. Breeding period, the number of recesses in the coastal cliff top or the top of tall tree trunk nest. Nest in dead branches piled up, thick and high into the dish-shaped. 2 to 4 months to lay eggs, eggs 1 to 2 per litter. Incubation period of 35 to 50 days. Mainly by the female hatchery. Chicks leave the nest 65 to 70 days, sometimes up to 105 days. Bald eagles in size with age, sex and living area vary. Minor head carving is often bigger than the adult birds, because the young birds will have a longer tail and Chi Yu, despite these long feathers, not weight-age and adult eagle carving. And most of the same prey, the female eagle is larger than the male eagle heads, which are many possible reasons. Some biologists believe that female birds make their big heads to better protect their nests, eggs and small birds. Smaller young male birds flying together more easily, so they can better protect their own turf. Female Bald Eagle's wingspan up to 2.3 meters, the male bald eagle has a wingspan of only 1.8 meters. Bald Eagle Vision is the most important feeling. Color vision of birds is the best of all animals, Bald Eagle clarity of vision, or call clarity, extraordinary, even more than its color vision even better. Eagle Vision clearly than three times the human, which is why we are discerning people as "sharp as an eagle." Bald eagles good vision so that they can more easily see their prey hiding place. But some things in our view, is a mass of beige fur and a bald eagle that is able to clearly distinguish five different colors of squirrels. Bald Eagle outstanding visual part, thanks to its pair of big eyes. Bald Eagle's eyes is too great, the number of eye muscles almost no space for activities, so its eyes are not spinning round. To compensate for this deficiency, many carved a long neck and neck, which can be flexible activities. The head can rotate 270 degrees eagle - that is, three quarters of a circle! Like many other bird species like the bald eagle's eyes, a long layer of special eyelid, called a haw. This layer of the eyelid to make eyes moist, to stimulate reflection for the eyes. Bald eagles protruding brow, making them appears to be fierce. Such as bumps and haw, you can in the hot sun shielded eagle eye, but also for the eagle eyes of wind shield dust. Bald eagles fly between the trees under the habitat, the touch-off tree branches may be bounced, raised eye brow can play the role of protected birds. In addition, the protruding brow can make eagle eye damage from struggling prey. Bald eagles of the foot is very strong, can be used to kill prey. They are rough like sandpaper foot. This helps them to pay close attention to those who prey creamy body, such as fish or snakes. Relative to their body size, the bald eagle's feet are really big enough - as much as 15 cm long! Bald eagles have four toes, three in front, one in the post. Toes to the top having long, curved claws. Zhao Jian Li of these knives, Bald Eagle is the most powerful weapons, they even more than the meat birds that hooked beak that is more dangerous. One of the most powerful after the post-toe and claw. When Bald eagles prey, its claws will be deep into the victim after the body, to pierce the vital organs, such as the heart or lungs. Bald eagles of the arc length of the hind paw up to 7 cm -8 cm. Like other birds, like bald eagle is no teeth. They must swallow the food piece by piece, with a large hooked beak to tear prey fragments mouthful. Even if the eagle claw not completely kill their prey, then a note from the birds beak pecking fierce enough to result its soul. Bald eagles have a thin and hollow frame, the gap is filled with air. Many of carved bone unite or link together, making them particularly firm. The skeleton, when they fly to give them good care. Carved frame weighs less than half the weight of its feathers. Bird feathers cover the body called feathers, bald eagle has a unique plumage. By the existence of a flying animal, let feathers in good condition is essential. Bald eagles spend a lot of time every day cleaning and maintenance of their own feathers. The plume. Bald eagles have a special minister of the end of the gland. The glands secrete oil when compressed liquid, carved into the liquid applied to the feathers. This oil can help to keep feathers waterproof feathers neat. Once the grooming birds feathers, shook his body will be rearing, shaking loose feathers, but also that of the other feathers have their places. Completely finishing a feather takes a long time. A healthy adult Bald Eagle has more than 7,000 sticks of feathers. Bald eagles have to follow each other, the number of exchanges at different times of the year may be. Spring and summer, adult birds are busy nesting. During this period, for the bald eagle breeding pairs will be borne in guarding their own turf. They rarely Bald eagles and other contacts, except to repel an aggressor, the age is too young to mate the birds in the warmer months in the East, West Exploration seeking to understand the surrounding environment, and strive to survive. During the winter migration, bald eagle will contact each other much more certain. A large group of a large group of bald eagles will often gather in a rich food source around. Biologists believe that these _set_tlements winter birds for a young adult might encounter with your spouse places. Bald eagles feeding in two ways - your search, or look around, look at where other birds gather. While many birds circling around a local congregation, other birds will know, the place to find food. 64 kilometers far beyond the sea eagles will be able to see the first birds circling group. This bald eagle can not spend a lot of effort to find a good meal. Other birds eat the food, which is very common. Bald eagles, also known as the American eagle, also known as Condor. In fact, the bald eagle, it is called is unscientific, because it body full-fledged, no bald at all. Sea Eagle is Aves, a genus under the hawk family. Bald Eagle is unique in North America, is a large bird of prey, a full-fledged sea eagles, up to 1 meter in length, a wingspan of 2 meters long. Adult birds of the eyes, mouth and feet as pale yellow head, neck and tail feathers are white, other parts of the body plumage is dark brown, very majestic beauty. It weighs about 5 kg to 10 kg, the average life expectancy of 15 years to 20 years. With the killing of animals by animal claws and tear the hook mouth, is an ornithologist to the birds of prey only under the correct definition. Bald statue as most other birds of prey, predatory bird that day, often hunting in pairs, by virtue of their abnormal sharp vision, even in high-altitude flying, also insight into the ground, water and trees of all prey. However, the bald eagle on fish-eating, so often inhabit rivers, lakes or the sea coast. In the United States near the Alaska Heiners Qi Kate River region, the annual November migratory fish, salmon season, the 10 km long in just the banks, can escape to attract three-four thousand bald eagle, one for the tourism industry pen considerable economic benefits. Bald eagles fishing for ease, nesting in rivers, lakes or the sea coast on the tree year after year, nest use and construction of the same. Bald eagles for the life of polygamy, female birds produce two eggs per year, incubation period 35 days, after 3 months of small birds leave the nest to live independently. As environmental pollution and destruction, so that birds and hatching eggs decreased the survival of adult birds are also threatened. June 20, 1782, U.S. President Clark and the U.S. Congress passed a resolution legislation, _select_ed for the American bald eagle the national bird. Today, both the United States national emblem, or the United States military uniforms, all depicting a bald eagle, clutching an olive branch is one foot, holding the other foot arrow, a symbol of peace and a powerful force. Bald eagles worth in view of extraordinary, as the U.S. national bird, by the law. In 1982 President Reagan announced the June 20 annual Bald Eagle Day is to arouse the concern of people across the country, which reflect the degree of its importance. The American scene United States United States to study abroad web network http://www.usastudy.com.cn/ 2006-03-14 the united states of america National Flag: Stars and Stripes (the star-spangled banner), 50 stars represent the 50 states, 13 stripes represent the original North U.S. 13 colonies. National Emblem: The center image is the bald eagle (national bird of the United States), holding an olive branch You Zhao, Zuo Zhao lever grip 13. National Anthem: "the star spangled banner", 1814 by francis scott key composition, a total of four sections. Area: 9,371,000 square kilometers, ranking the fourth in the world. Population: 267 million (1998). 83.4% whites, blacks accounted for 12.4%, Asians 3.3%. Language: English, Spanish (some minorities). Religion: Christian 57% Protestant, 28% Catholic, 2% Jewish, other religions accounted for 4%, not Belong to any sect 9%. Capital: Washington, DC (washington dc), to commemorate the leader of the War of Independence, the first chief System is named after George Washington. Major cities: 1. Washington, DC (washington, dc) Located in the District of Columbia, near Maryland, Virginia and the Potomac River between (potomac river), United States Political and cultural center. White House (the white house) is the U.S. presidents since 1800 office and place of residence; Parliament House (the capitol building) is the United States House and Senate meeting place; the Pentagon (the pentagon) is the headquarters of the United States armed forces, but also where the U.S. Department of Defense. 2. New York City (new york city) Also known as the Big Apple (big apple), located in the U.S. East Coast Hudson River Estuary (the month of hudson river), is America's largest city and largest seaport, is the U.S. commercial, industrial and financial center. From the five boroughs: Manhattan (Manhattan), Brooklyn (brooklyn), Bronx (braonx), Richmond (richmond) and Queensland Sri Lanka (queens). Famous Empire State Building (the empire building), the United Nations building (the united nations building) are all located here. 3. Los Angeles (los angeles) California is the largest city in the western United States and an important port, is the largest industrial center west. City Northwest Hollywood (hollywood) and 40 kilometers away from Disneyland in Los Angeles (disneyland) Awards 4. Chicago (Chicago) 4. Chicago (chicago) Located in Illinois, is the largest railway hub, the shipping center of the Great Lakes region, the Midwest's most important industrial and Commercial city. Lincoln Park, the largest city (lincoln park) is located in Lake Michigan, up to 110-story Sears Large Ha (sears tower) is one of the world famous high-rise buildings, Fei Erte Museum of Natural History (field museum of natural history) of great renown. 5. Houston (huston) Known as "the world's oil capital", is located in Texas. Is the largest city in the southeastern United States is the country's largest oil industry Center and the third port. Southeast of the city with the National Aeronautics and Space Administration's largest space research center, Apollo 11 No. off the moon from here. 6. Philadelphia (philadelphia) Also known as "friendly city", the historic city of the United States, located in Pennsylvania, Delaware River (the delaware river) River, the first Continental Congress during the Revolutionary War was held in the independent building (independence hall) is the Continental Congress Through the "Declaration of Independence" place. 7. San Francisco (san francisco) California is the first development of the western United States city, but also Western Financial Center, an important port and naval base Land. The city has the world famous Golden Gate Bridge (golden gate bridge) and the world's largest plant planting Park - Gold Gate Park (golden gate park). Scenery: 1. Yellowstone National Park (yellowstone national park) In Wyoming, is hosted by the Government opened the first national park, is one of the world's most famous nature reserves 2. Niagara Falls (the niagara falls) Located in the United States, Canada borders Niagara River, Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and other four lakes along the River Down, into Lake Ontario. 3. Rushmore National Monument (rushmoore national monument) Located in the Black Hills of South Dakota Rushmore summit, the carved with four well-known great president: George Washington Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln. 4. Statue of Liberty (statue of liberty) Stands in New York Harbor to Liberty Island (the bedloe's island), it is the people of France to commemorate the 100th anniversary of American independence And presented to the American people, as a symbol of American democracy. She symbolizes the freedom of the American people to pursue lofty ideals. 5. Walt Disney World (disney world) Orlando, Florida, which was built in the Los Angeles suburb than Disneyland (disneyland) many times larger Study in the U.S. "basic necessities" Do you know how much? Continental United States to study abroad web network http://www.usastudy.com.cn/ 2006-03-13 Food Adequate supply of U.S. agricultural products, poultry meat readily available, more perennial fruits and vegetables, fruit and vegetable market in the United States people can not tell sigh seasons, and the price is low, but seventy to eighty cents per pound of chicken, pork slightly Only one U.S. dollar is also more expensive, beef twenty-three U.S. dollars a pound, more than one U.S. dollar seafood ranging from seventy-eight U.S. dollars, milk, eggs is staggering base, a bucket of fresh milk <3.78 l> around two U.S. dollars, a box of eggs < a dozen> eighty or ninety cents; vegetables are expensive flat, potatoes, tomatoes, carrots, cabbage are tens of cents a pound, water spinach, such as Ru sub-Oriental Americans do not eat one more food will have to one U.S. dollar pounds. Americans are eating coarse and simple, love grilled, fried, raw vegetables, salad mix and more, really complicated kitchen <usually kitchen equipment, electric range with four stoves or gas stoves mouth, refrigerators, ovens, processing units, washing tank , clo_set_, etc. with the housing supporting> only simple food, and China has to do a simple kitchen complex dishes. Americans do not think that supplements, but drink milk, juice, do not eat wild animal, even dogs and cats are pets, students laughed Fortunately, Americans do not eat, or use the most advanced science and technology hunt, wild animals, disappeared early, Americans for the purchase of food expenditure accounts for only 16.6% of personal income, about 20% in other developed countries, so that the meal in the United States is extremely easy. Clothes Americans are very casual dress, summer t-shirt, shorts, winter jacket plus, coat type; of course, just casually say only half, the other half is their very elegant in a formal _set_ting, government agencies and many companies have very strict dress code for staff such as the summer of white-collar workers in Washington have to plug in the trousers in white shirt and tie, suit Waichuan winter coat or windbreaker, and nearly all of the important meetings suit, then wear a suit or tuxedo evening, I Madison President Carter heard for the first report of thousands of people in the audience all the suits and ties. Men's suits do not need too much, but the shirt and tie is the more the better, because after a bath every morning will be for shirts, ties, there is no sufficient number of reserve is not enough, more women than men seek clothing and diverse beauty, particularly in social situations are has a fine variety of dress, and even what clothes they wear shoes with what is also very elegant jewelry, jewelry, and not a lot of importance is whether the gold silver work, that dress is about the art does not indicate the money, the president's wife would often wear work off a delicate pearl necklace. Americans do not worry about the dress, women's consumption of clothing per year spent an average of 396 yuan, only 1.5% of the general staff salary. Americans in 1993, the money to buy clothes in the proportion of total household expenditure accounted for only 5.4%; course, if the pursuit of fashion is not an ordinary working-class hold a candle, such as George. Al Mani designer clothes men suits most expensive _set_ to $ 1,700, the most expensive asking price $ 22,000 women's evening dress; but the seasonal price cuts can meet the public dress clothing needs, such as a price war when hundreds of dollars in jeans a few dollars can buy. Live People say to eat in China live in America, meaning Americans live in spacious and comfortable, the actual situation of how what? Americans can choose their personal preferences and income housing, there are rental apartments, rent a private room and the purchase of several . Line United States is the traffic one of the highest degree of modernization, there is a large and efficient air, land, underground transport network. 8 largest airline and has dozens of small local airlines, more than 1,300 cities have airports. The fares vary with the floating tourist peak seasons, are inexpensive, such as from Chicago to Los Angeles before more than 300 U.S. dollars, monthly income of only medium of 1 / 10. Live a long time in the United States was the United States is very small, in fact, almost the size of it with China, because of its well-developed aviation industry and look smaller Bale. Rail transport has played a major role, but gradually as the popularity of the car out in the cold, but short is willing to take the subway. More than 50,000 U.S. cities with a population 92% of the highway. The development of highway make people more in love with the car, there were 120 million, an average of two. People come to work, shopping, travel is by car, some simply all lived in the car <known as mobile housing>, so people say the U.S. is "the country pack in the car." The first house to see the rich and poor Americans, the second is the car. Wealthy people to buy "Lincoln", "Benz" and other high-end cars, a range of tens of thousands to ten thousands dollars, the middle class to buy "Toyota," "Ford", each more than ten thousand, the poor are open used car, from a few ranging from hundreds to thousands of dollars, but often many problems. Here is the way to mention another document in addition to basic necessities of life outside the consumer is to play. American pastimes, but usually save out sports, to travel abroad are willing to spend. Basic needs of ordinary Americans from the point of view, their standard of living is high. The United States is the world's only superpower, the gross national product in 1992, almost 6 trillion U.S. dollars, known as the second high in developed countries has doubled in Japan, equivalent to China 12 times. Of course, the United States there are many insurmountable problems and even illness. If the disparity of wealth, violence, racial discrimination. In short, the United States is a country of immigrants, integration of rich people's hard work and full of exploration, culture, high level, educated, know how to self-love is also helpful, coupled with advanced science and technology, developed industry and agriculture, consequent wealth of material life. But there are also the disparity of wealth, unemployment, violence, drugs, pornography and other social ills. After all, it is a country on our planet, there are over two hundred million people there working, living, raise a family American Culture: Star cloth cultural and entertainment centers across Romania Continental United States to study abroad web network http://www.usastudy.com.cn/ 2006-03-13 In order to meet the spiritual requirements of people across the United States entertainment abound. 1. Art Center U.S. cities have their own arts center, New York is the leading U.S. entertainment capital. It has a Lincoln Center for Performing Arts, Metropolitan Museum of Art and the "non-night street," said the world-famous Broadway and other entertainment. Lincoln Center was built in 1969, is the world's largest performing arts complex. With the Metropolitan Opera House Arts Centre the following, the New York Symphony Orchestra, Julia special Conservatory of Music, Theatre and the Library and Museum on a regular basis. Broadway to Battery Park in New York as a starting point, from south to north through the island of Manhattan, length of 25 km. It is commonly referred to as the New York Broadway Performing Arts Center - part of the distribution in the 41 Street to 52 Street between Broadway theater, Block 40, Broadway theaters usually 500-1,000 seats. Every night the stars are a smash hit stage show, to a high level of artistic performances attract thousands of spectators. Washington is a political center, even so: it still has a huge arts center. John F. Kennedy Performing Arts Center appeared in the 70's, it has the Opera House, Eisenhower Theater, tres three first-class theaters, theaters, more than a decade, there has been staged the world's best ballet, modern dance and opera, John F. Kennedy Performing Arts Center or the National Symphony Orchestra and the American Film Institute theater base, the latter release features the world's best film. 2. Museums and galleries Almost all the U.S. cities have at least one art gallery and museum, 760 museums in the United States, most notably the National Art Museum in Washington, New York, National Gallery, Metropolitan Museum of Art, Museum of Modern Art and the Art Institute of Chicago, Museum of Fine Arts, Boston. Most American museums and galleries look majestic and impressive; bright and spacious interior, visiting museums, you can rent a cas_set_te tape recorder, while visiting the exhibits while listening to the content of the recording description. Not only has the traditional functions of many museums, and has become a place where a variety of recreational activities. For example, Washington's major museums insist on holding free concerts for the public; the National Art Museum of the garden at 7:00 every Sunday evening free concerts, conductor Richard. Bells orchestra conductor here often; Phillips Museum held every Sunday at 5 pm free concerts and readings. USA Weekend newspaper often cultural events Museum and Art Gallery column, local publications can also be found in the arrangements and the activities of the museum exhibition can be visited the project. 3. Library Emphasis on the United States or a "self study" countries, it has more than 14,420 libraries in which more than 9500 free public libraries, more than 1,400 university libraries and nearly 300 National Library. In each of the books they lent about 800 million; the country each year in the twenty thousand kinds of books published over a large sales volume per 1 million; the United States and about 1,000 people participated readers around the club, they often can buy discount discount books. Today, the library has not only the United States for people to read books and where to find information, it is organizing educational, cultural, recreational and community activities; large libraries are organized theatrical performances, exhibitions and lectures, and show different language film. Library of Congress is a cultural center in Washington, it's Coolidge Auditorium opened in 1925, has long been a place where appreciation of chamber music; as little as 25 cents today, people can enjoy a string quartet here, to have a good night. Library or a love of poetry is often a meeting place. Folger Library holds regular lunchtime poetry readings, had been affectionately known as "lunch Muse"; the U.S. Congress Poetry Consultant Poetry Center Library is also a fascinating, many of the famous American poet, reading the library in person to reach his seat works, the poetry readings by the people welcomed the audience often have to buy standing tickets admission. These remove a variety of sports activities and cultural entertainment, Americans like their hands-on repair and beautify the home, like carpentry, sewing, gardening, like stamp collecting, photo engraving and washing, do the work, they do not feel tired, do not feel inferior, but from feeling a lot of fun. 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Introduction
(Scientific name Haliaeetus) Falconiformes Eagle Section 1 genus. This is a great shape, body length 760 to 1000 mm; tarsal front with a shield-like scales, scales back edge with a mesh shield-shaped or irregular scales; a claw at the end of the mask channel. Distributed almost throughout the world, a total of 8 species (see species section.) There are 4 known in China: Steller's sea eagle, Pallas's sea eagle, white-tailed sea eagle and White-bellied Sea Eagles. May be one of the oldest class of birds. Quite different in size, the Solomon Islands Sea Eagle (Haliaeetus sanfordi) average weight of 1-2 kg, and the largest Steller's sea eagle (Haliaeetus pelagicus) of body weight can reach 12 kg.
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Habits
Often inhabit the waters nearby. During migration, away from the waters of the steppe or alpine areas can also see traces of them. Food mainly fish, various birds, rodents, feeding on carrion, or sometimes a small amount of algae. Breeding period, the number of recesses in the coastal cliff top or the top of tall tree trunk nest. Nest in dead branches piled up, thick and high into the dish-shaped. 2 to 4 months to lay eggs, eggs 1 to 2 per litter. Incubation period of 35 to 50 days. Mainly by the female hatchery. Chicks leave the nest 65 to 70 days, sometimes up to 105 days.
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Type
The existing total of eight: White-tailed sea eagle (Haliaeetus albicilla) Bald eagles (Haliaeetus leucocephalus) (see Figure) Steller's sea eagle (Haliaeetus pelagicus) Roar sea eagle (Haliaeetus vocifer) White-bellied Sea Eagle (Haliaeetus leucogaster) Solomon Sea Eagle (Haliaeetus sanfordi) Madagascar Sea Eagle (Haliaeetus vociferoides) Pallas Sea Eagle (Haliaeetus leucoryphu)