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Swan
It is also called a swan,
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It's anseriformes
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Cygnus
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Large waterfowl.
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The swan is white all over,
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Slender neck, longer than body length or equal to body length; The base of the mouth is high and the front end is flat, the eye glands are bare; Tail short face round, tail feathers about dozens; The webbing is strong, but the hind toes are not webbed.
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Swans are found on every continent except Africa and Antarctica,
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It mainly inhabits large lakes or swamps rich in aquatic plants. Swans are a kind of winter migratory birds, every year in March and April, flocks fly from the south to the north to lay eggs and breed, after October, and then migrate south again in groups, in the southern climate warmer place winter. When flying, swans often form small groups of six to twenty, flying and singing very fast. It feeds on insects, shellfish, fish, frogs, alfalfa, grains and weeds. Sexually mature after four years of age, the nest is composed of water grass and mud, each clutch lays 4 to 6 eggs, incubation period of 35 to 40 days, incubated by the female eggs;
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Life expectancy is about 20 years, the longest can reach more than 35 years.
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"Compendium of Materia Medica" said that swan meat "salting and moxibustion food benefit people's strength, benefit the viscera", swan oil "in addition to carbuncle swelling, treatment of infantile malnutrition". A swan has about 25,000 feathers, hard feathers can make fans, clothing and crafts, velvet feathers soft and soft, strong warmth, far better than duck down.
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Because of its white feather color, beautiful body, appealing cry and loyal behavior, the swan is regarded as a symbol of purity, loyalty and nobility in both Eastern and Western cultures.
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There is a record of "white bird white fat" in the Book of Songs, so far the Japanese "white bird" refers to the swan.
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The swan can fly over the "roof of the world" Mount Everest, the highest flight height of more than 9,000 meters, is one of the highest flying birds in the world.
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- Chinese name
- Swan
- Foreign name
- swan
- Latin name
- Cygnus
- world
- animalia
- The door
- Chordate phylum
- subphyla
- Vertebrate subphyla
- The outline
- ornithae
- subclass
- Ornithae
- Orders,
- anseriformes
- suborder
- anserina
- Families,
- anatidae
- subfamily
- Anseriinae
- The family
- Wild goose family
- Belong to
- Cygnus
- Kind of
- Whooper swan , cygnet , Cygnus mute , Black Swan , Black-billed swan , Black-necked swan
- Distribution area
- In addition to Africa , Antarctica It is found all over the world
- Namers and years
- Bechstein, 1803
- Ecological taxa
- Swimming bird
The swan is a member of the Anseriformes family
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Cygnus.
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Another name is "Swan".
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form
: The swan is
Large waterfowl.
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The swan is white all over,
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Slender neck, longer than body length or equal to body length; The base of the mouth is high and the front end is flat, and the mouth armor is located in the middle of the mouth end, but not all of the mouth end; Adult eye gland exposed; Nostrils ellipse, located near the base of the mouth; The first primary
Flight feather
It is about half the length of the second and almost the same length of the third, and is the longest of the flying feathers; The tail is short and round, the tail feathers are about a few dozen, the webbed feet are strong, but the hind toes are not webbed, located at the back of the body, and the tarsometatarsus front is covered with a net scale; The toes are strong. Inguinal membrane posterior toe. Homochromic, or slightly lighter female (e.g
Black Swan
). Young birds are mostly brown.
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Swans live mainly in large lakes or swamps rich in aquatic plants.
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During the breeding period, it mainly inhabits open lakes,
pool
Swamps, slow-flowing rivers and adjacent tundra lowlands and tundra marshes, mainly inhabits in winter in large lakes, reservoirs, ponds and river bays with reeds, tachys and other aquatic plants, but also in wet grasslands and flooded plains, swamps, beaches and estuaries, and sometimes even in agricultural fields.
The habitat of swans
In March and April, they fly north in large flocks from the south to lay eggs and breed in China's northern border provinces. The female goose incubates her eggs, and the gander guards by her side, never leaving. As soon as October passes, they will flock south. Wintering and resting in the warmer climes of the south. More than 20 of them formed small groups, lined up in the "one" word or "people" word line, while flying and singing. They move south in mid-September every year, and often stay in the north from June to August.
The swan is the champion of high flying, flying up to 9 kilometers above Mount Everest, the highest mountain in the world,
Swan
Swans become sexually mature after the age of four, and breed in May to June. The nests are made of water grass and mud, and each clutch lays 4 to 6 eggs. The incubation period is 35 to 40 days, and the eggs are incubated by the female.
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Life expectancy is about 20 years, the longest can reach more than 35 years.
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Swan
Swan
Sexual maturity
The time is 3 ~ 4 years, after sexual maturity, it breeds once a year, the size of the eggs is large, and the young birds are early adult chicks. Swans are rich in courtship behavior, with males and females tending to make the same movements in unison and lovingly preening each other.
Swan
Whooper swan
Another name
: Hu (ancient general name), cough swan, white goose (Hebei, Inner Mongolia and other places and southeast general name).
Geographical distribution
Breeding in northern China, wintering in central China and the southeast coast. Abroad, it breeds in northern Eurasia and northwestern North America; Wintering in central Asia, Europe, northwestern Africa, and parts of northwestern North America.
Whooper swan
form
According to
Name the subspecies
Adult birds (breeding feathers) : male and female alike, female slightly smaller than male; The whole body is white, only the head is slightly brown.
Iris dark brown; The mouth is black, the macula on both sides of the base of the upper mouth extends forward under the nostrils; The feet, webbed feet and PAWS are black.
Swan
Breed in Inner Mongolia
Hulunbuir City
Ordos, Inner Mongolia, northern Tianshan, Xinjiang; Migrating through North China to the Yangtze River; Middle, lower and southeast coastal provinces
overwintering
. In foreign countries, bred in
Eurasia
In the north, winter migrates to central and southern Asia, Europe and northwest Africa.
2. Cygnets
Cygnus columbianus
Another name
: Short-billed swan, white goose, eating goose (southern name, North name).
Geographical distribution
: The wintering period is found in the Yangtze River basin and the southeast coast of China. Abroad, it breeds in Eurasia and the far north of North America; Wintering in central Europe, Asia, and America.
Identification features:
The body feathers are white, slightly smaller than the whooper swan. The macula on both sides of the base of the mouth extends below the nostrils along the edge of the mouth. In the wild. Very similar to whooper swans, the neck is often stretched straight, and the neck and beak are shorter.
form
(according to Ussuri subspecies): The adult bird (breeding feathers) is white in color, only the top of the head to the pillow slightly brown. Both sexes are of the same color, and the female is slightly smaller.
Iris brown; The mouth is black and gray, and the yellow spots on both sides of the base of the upper mouth extend forward to the nostrils; Tarsometatarsus, webbed, claw, etc. are black.
Subspecies differentiation
This species is divided into 3 subspecies. There is only one subspecies in China, namely:
The Ussuri subspecies Cygnus columbianus jankowskii
It is found in northeast China, Inner Mongolia, northern Xinjiang and North China during migration. Wintering in central and southeastern coastal areas.
Alias:
Subswan, red-billed swan, white goose
Cygnus mute
Cygnus mute
form
Male adult bird (breeding feathers) : white all over, slightly brown from the top of the head to the pillow. Eye first, black.
Female adult bird: the same plumage as the male bird, small size, forehead warts are not prominent.
iris
Brown; The base and margin of the mouth are black, the rest are red, the front end is nearly cinnamon, the nail is brown; Tarsometatarsus, webbed and claw are black.
nestling
: Head grey, slightly stained light brown; Light brown on upper body and hypochondrium; The lower body is silver gray. Blue-brown iris; SLATE gray mouth, often a white spot at the front end; Dark tarsometatarsus gray.
birdling
Head and neck light brownish gray, forehead and eyes first appear bare black, but no warts; The flying feathers are gray; Tail light brown gray, tail stained white; Lower body is light, light brown gray. Iris brown, mouth reddish-gray, tarsus greenish-brown.
ecology
Mute swans often feed and roam in the rich river bays and open lakes. Alert, neck straight can see the movement miles away. The sound is hoarse and low, like "koup-koup", so it is also known as dumb swan. Take off often beat the water with both wings about 50 meters forward, and then slowly take off from the water. Flying forward neck, graceful posture, moderate speed. Powerful webbing, fast rowing.
It first appeared in mid-September in Hebei Province when it moved south, and passed through Beijing and Beidaihe from mid-March to early April when it returned north. As to the feeding habits of mute swan, an autopsy conducted by Shou Zhenhuang in Hebei Province from 1934 to 1935 revealed aquatic plants and a large amount of gravel.
Mute swan is a rare bird that is protected by China.
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"Compendium of Materia Medica" said that swan meat "salting and moxibustion food benefit people's strength, benefit the viscera", swan oil "in addition to carbuncle swelling, treatment of infantile malnutrition".
A swan has about 25,000 feathers, hard feathers can make fans, clothing and crafts, velvet feathers soft and soft, strong warmth, far better than duck down.
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Swan
Swan
The Big Wild Goose Pagoda is a famous tourist attraction in Xi 'an. Built in the third year of Yonghui of the Tang Dynasty (652 AD), the tower was built by Xuanzang for the Tibetan classics. It has seven floors and is 64.5 meters high. It is regarded as a symbol of the ancient capital Xi 'an. On January 17, 2011, the Big Wild Goose Pagoda - Tang Furong Garden scenic spot in Xi 'an was officially approved as a national 5A tourist scenic spot.
Small Yan Pagoda is located in the south of Xi 'an south gate friendship West Road east south of the Jianfu Temple, belongs to the national key cultural relics protection units, is a typical dense eaves type pagoda, and the Big Wild goose Pagoda opposite east and west, because the scale is smaller than the Big Wild Goose Pagoda, so called small Yan Pagoda, is the ancient capital of the Tang Dynasty Chang 'an has retained one of the two important symbols, "Yan Pagoda morning bell" is also one of the eight Qing Guanzhong scenery. Although the small wild goose Pagoda is not as large as the big Wild Goose Pagoda, the environment here is quiet and beautiful, and it has a unique charm in the ancient city.
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Japan is one of the wintering places for swans. There are about 20 ancient names of swans in Japanese. Some, such as "Hong" and "Hu", are imported from China, some are the names of the areas where swans live, some use onomatopoeia words for swans' song, and some describe the shape of swans. There are many stories about swans in Japan. They are considered to be messengers of heaven and "divine birds". The ancient Greeks wrote a lot about swans,
Aristotle
The Zoology of the Swan discusses the habits and behavior of the swan, as well as records of the swan's morphological anatomy. The book "Greek Bird Music" has a moving description of the swan's last call, and in Western culture, the writer's last words are called "swan song" from this.
Swan courtship
