Males and females hold eggs together. Eggs hatch after 23 days. Yellow-billed Egret: Yellow-billed Egret, also known as Bailao and Tang Egret, is a medium-sized wading bird, with a body length of 46-65cm and a weight of 320-650g, with a slightly smaller female.
Its posture is very elegant, its body is slender and slender, its mouth, neck and feet are very long, and its body is light, which is conducive to flying. It is covered with ivory feathers, spotless and looks proud and elegant.
Extended data
The ancestors of egrets appeared in the Miocene 7 million years ago, and the current population has no subspecies differentiation. It is found in Russia, Japan, North Korea, Philippines, Malaysia and Indonesia abroad, and distributed in Hebei, Shanxi, Inner Mongolia, Liaoning, Jilin, Jiangsu, Zhejiang, Fujian, Taiwan Province, Shandong, Henan, Guangdong, Hong Kong, Hainan and other places at home. It is summer in Liaoning and Jilin.
Egrets in Huangkou inhabit coastal islands, coasts, bays, estuaries, rivers, lakes, ponds, streams, rice fields and swamps near the coast. You can see individual, paired or integrated small group activities, and occasionally dozens of large groups are together. Fly to streams, rivers, salt fields and rice fields near the coast for activities and foraging during the day, and fly to coastal mountainous areas for rest at night.
Often one foot stands in the water, the other foot bends under the abdomen, the head shrinks back into a hunchback shape, and stands still for a long time, with light and steady steps, which makes it look leisurely.
When flying, the head retracts to the shoulder, the neck bends downward into a bag shape, the feet are straight back, far protruding behind the short tail feather, and the two wide wings slowly encourage the flight, making the action look leisurely and beautiful.
Edited on 2020-0 1-04.
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The information about egrets is 30 words.
Egrets are all medium-sized wading birds, *** 13 species, 28 subspecies, distributed all over the world. It is also one of the common birds in Shanghai. Its posture is very elegant, its body is slender and slender, its mouth, neck and feet are very long, and its body is light, which is conducive to flying. It is covered with white feathers, spotless and proud. However, the color of feathers also changes greatly in summer and winter. In summer, the mouth is orange, the feet are black, the toes are yellow, and the eyes are blue first. Extended information Egrets are wading birds that often go to swamps, lakes, wet forests and other wetland environments to prey on small fish, amphibians, reptiles, mammals and crustaceans in shallow water. Build messy nests on trees or shrubs or on the ground. The breeding period of egrets is from May to July every year, and each nest lays 2-4 eggs. Eggs are oval and light blue. The incubation period is 24 ~ 26 days. Egret has always been regarded as the city bird of Xiamen, China. Xiamen Island is also called Ludao Island.
2 1 like 1, 94 1 browse 2020-0 1-04.
Information about egrets?
Egrets are 13 species, four of which are all white, namely, big egret, middle egret, egret (little egret) and snow egret, which are called egrets in the world. The great egret is large in size, with neither crown feather nor breastplate feather, while the middle egret is medium in size, with no crown feather but breastplate feather; Egrets and snow herons are very small, and all their feathers are on the crest and chest. The crown feathers and withering feathers of egrets during the breeding period can be used for decoration, commonly known as egret silk hair, and are often exported to Europe, America and all over the world. Extended data:
Habit: like to group, often in small groups of 3 ~ 5 or more than 10, active in shallow water near the water. At night, dozens, hundreds or even thousands of large groups are integrated in the habitat, and dispersed into small groups during the day. Often one foot is standing in the water, the other foot is bent under the abdomen, and the head is hunched back and does not move for a long time. Walking lightly and steadily, it looks leisurely. When flying, the head retracts to the shoulder, the neck bends downward into a bag, the feet are straight back, far behind the tail, and the wings slowly encourage flying. Every day after dawn, they fly from their habitat to their foraging places in droves, and the distance can reach dozens of miles. At night, they fly to the paddy fields and hillside trees near their habitats in groups to rest, and then enter the Woods and bamboo forests together in large groups. At night, they live in groups on the tops of tall trees in small dense forests, often beside houses or in gardens and bamboo forests, and sometimes with night herons and cattle egrets. Sex is bold and not afraid of people.
8 Zan 282 Browse 2019-12-18
Information about egrets
Egrets are 13 species, four of which are all white, namely, big egret, middle egret, egret (little egret) and snow egret, which are called egrets in the world. The great egret is large in size, with neither crown feather nor breastplate feather, while the middle egret is medium in size, with no crown feather but breastplate feather; Egrets and snow herons are very small, and all their feathers are on the crest and chest. The crown feathers and withering feathers of egrets during the breeding period can be used for decoration, commonly known as egret silk hair, and are often exported to Europe, America and all over the world. Medium-sized egret (60 cm). It is different from the cattle egret in that it is large and slender, with black mouth and legs, yellow toes, pure white breeding feathers, slender neck and back feathers, and spiny feathers on the back and chest. Iris yellow; The exposed skin on the face is yellow-green, and the breeding period is pale pink; Black mouth; Legs and feet-black, yellow toes. Expand data distribution: Africa, India, East Asia to Oceania. Distribution: Common in low-lying and humid areas in southern China. The named subspecies are resident birds, which are distributed in the Yangtze River valley, southeast China, Taiwan Province Province and Hainan Island. Birds found in southern Yunnan are considered to be a controversial subspecies. Floating birds were found in the Yellow River basin. Habits: like paddy fields, lakes, swamps, mangroves and coastal mudflats. Nest with other waterfowl.
75 likes 34366 to browse 2020-0 1-03.
Information about egrets
Egrets are 13 species, four of which are all white, namely, big egret, middle egret, egret (little egret) and snow egret, which are called egrets in the world. The great egret is large in size, with neither crown feather nor breastplate feather, while the middle egret is medium in size, with no crown feather but breastplate feather; Egrets and snow herons are very small, and all their feathers are on the crest and chest. The crown feathers and withering feathers of egrets during the breeding period can be used for decoration, commonly known as egret silk hair, and are often exported to Europe, America and all over the world. Description of species characteristics: medium-sized (60 cm) egret. It is different from the cattle egret in that it is large and slender, with black mouth and legs, yellow toes, pure white breeding feathers, slender neck and back feathers, and spiny feathers on the back and chest. Iris yellow; The exposed skin on the face is yellow-green, and the breeding period is pale pink; Black mouth; Legs and feet-black, yellow toes. Cry: croak in the breeding nest, and be silent at other times. Distribution: Africa, Europe, Asia and Oceania. Distribution: Named subspecies are common resident birds and migratory birds, distributed in southern China, Taiwan Province Province and Hainan Island. Lost birds sometimes go to Beijing. Some birds spend the winter in the tropics in winter. Habits: I like rice fields, river banks, beaches, mudflats and coastal streams. Eating in groups, often mixed with other species. Sometimes fly over the shallow coastal waters to chase prey. Fly back to their habitat in a "V" formation at night. Gather together and nest with other waterfowl. Common names: crane, egret, Bai Niao, hoe, little egret, egret, siqin, little egret, snowman, a cup of egret, extended information, population status, and great egret are listed in the Convention on International Trade in Endangered Species of Wild Fauna and Flora. It has been included in the Agreement between People's Republic of China (PRC) and Japanese Governments on the Protection of Migratory Birds and Their Habitats. Egret is the most common kind of egret, commonly known as egret, which belongs to the list of the Convention on International Trade in Endangered Species of Wild Fauna and Flora. Yellow-billed egret and rock heron are both national second-class key protected animals. The yellow-billed egret is an internationally endangered species. Rock heron is one of the highly endangered birds in China 1 1, and it is a rare bird in China, which is in an endangered state. The rock heron has been listed in the Annex List of the Agreement between People's Republic of China (PRC) and Australian Government on the Protection of Migratory Birds and Habitats. The yellow-billed egret is a new species collected by Robert Swinhoe (UK) in Xiamen on 1860. This species has been listed in the List of Terrestrial Wild Animals under National Key Protection or with Important Economic and Scientific Research Value issued by the State Forestry Administration in August 2000 1. The breeding season is from May to July every year, and nests are built on islands near the coast and rocks hanging between the coast or short branches. I like to build nests together in groups. Someone once found 14 nests on a rock top with only about 20 square meters of hanging rock, and there were 1 1 nests on an adjacent rock top with only 10 square meters of hanging rock, and the distance between each nest was only 14 ~ 76 cm. Once upon a time, in Taiwan Province Province, there was a phenomenon that yellow-billed egrets and egrets, cattle-backed egrets, night herons and herons mixed to nest in groups. Its nest is shallow dish-shaped and simple in structure, mainly composed of hay stems and grass leaves. Nests are built on short trees, and the maximum height from the ground is no more than 1 m, and some nests are built in the grass under short trees. Each nest lays 2 ~ 4 eggs, which are oval and light blue. The incubation period is 24 ~ 26 days. The yellow-billed egret was once a common summer migratory bird along the southern coast of China, especially from Shantou, Guangdong to Fuzhou, Fujian. It was also seen in the Yalu River in the northeast and Hunchun in the east of Jilin in the 1960s. In the early 1980s, more than 200 ~ 300 pairs of nesting populations were found in Liaodong Peninsula and coastal islands, and dozens of large groups were often seen foraging in coastal waters. However, due to the destruction of the environment and human interference, especially because its pure white hairy feathers and withered feathers are extremely precious decorations, a large number of them are hunted every year, so the population has decreased obviously recently. Therefore, its number is decreasing day by day, which has become very rare. According to the midwinter waterfowl survey in Asia organized by 1990 and 1992, 1992 saw only 143 waterfowl in China and 448 in Southeast Asia. At present, the yellow-billed egret has been listed in the Red Book of Endangered Birds in the World by the International Committee for the Protection of Birds (ICBP) and listed as a national second-class protected animal in China. Baidu Encyclopedia-Egret (commonly known as four kinds of egrets) Baidu Encyclopedia-Egret (a kind of egret)
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What is the information about egrets?
Egrets, Hemiptera Egrets, Egrets. Also known as Little Egret at ordinary times, it is the city bird of Xiamen, an important wetland bird and the largest number of egrets in Xiamen. Because it has high requirements for the environment, it is an indicator of environmental quality. It is one of the most attractive wetland ornamental birds. Egrets will change into beautiful breeding feathers at the early stage of breeding. Breeding feathers appear in spring and summer, so they are also called Stephane. At this time, the egret has two braided feathers on its head, slender decorative feathers on its neck and back, and withered feathers on its back and chest. The exposed skin on the face will change from yellow-green to pink. The function of heron's nest selection area is mainly used for inhabiting and mating, nesting and feeding young birds. The nesting area is generally located near the wetland, and the vegetation with less human disturbance covers the forest, bamboo forest or shrub. Islands meet the above conditions well, so many islands in Xiamen are breeding grounds for egrets. Xiamen is a coastal city, typhoons often cross the border, and the wind on the island is relatively strong. The nest area chosen by egrets must also be sheltered from the wind to prevent typhoons from blowing eggs or chicks under the nest. In such an environment, they can have children with peace of mind and reproduce. Before egrets enter the breeding grounds, they will visit the nesting sites. First, several egrets flew to the island many times to visit their nesting sites. A few years ago, they often circled over the Woods and then turned back. Sometimes they will stay in the treetops for a while, and then all the egrets resting on the beach will fly over the Woods. After a few days, several egrets lived in a small forest in the breeding ground. But then another forest or even more forests were changed, and finally they settled and multiplied, and then other egrets migrated in batches. Egrets like to breed in groups, the population size ranges from hundreds to tens of thousands, and they can also nest and breed with other herons. In Xiamen, egrets, night herons, pond herons and ox egrets nest and breed together. Courtship and mating egrets appear mating behavior immediately after they inhabit. At this time, the time to fly away from the nest for food is delayed, and the time to stay in the nest is longer. Some individuals stay in the nest almost all day, and it can be seen that herons are active in the crown, mostly in pairs. Egrets often spread their withered feathers on the back and chest and keep shaking. Sometimes egrets fly through the Woods with branches in their arms, and there are also male and female individuals chasing between branches and making bursts of songs. Individuals living in the same tree often fight for the branches that build their nests. When egrets mate, the male heron approaches the female heron, and the fluffy feathers of the male heron spread their wings and sing near the female heron, and then mate with the female heron's beak. After mating for 4-6 times, the male heron combs the feathers for the female heron and makes love to each other. Finally, the male heron stands on the back of the female heron, bites the female heron's neck feather with his beak, flaps his wings and then copulates for about 20 seconds at a time. After mating, the male heron will rest near the female heron. The female heron combs her feathers on both sides of her body and under her abdomen with her beak. After nesting entered the breeding period, the time for egrets to fly out for food was delayed, and a few individuals stayed in the breeding ground during the day, and gradually the phenomenon of domain behavior and nest occupation appeared. When other individuals invade the site, they will make a "honk-honk-honk" threat and confront the invading individuals at the same time. Mouth-to-mouth without violent fighting is a harmless threat, which sometimes lasts for more than 40 minutes. The egret nest is mainly built in the sunny shed with dense branches, completely folded by dead branches, showing a basin shape. Egrets start nesting every morning and don't stop nesting until evening. When building a nest, an egret tramples or breaks branches around the selected branches (nesting branches), sorts out the nest site, and then breaks off nearby dead branches and lays them on it. Another egret stood by to comb its feathers and stay alert. Once other individuals come near, stop nesting immediately, and both parents will expel the invaders. If there is abnormal noise or an eagle hovering in the air during the nesting process, both parents will immediately look up, sometimes fly away from the nesting branches, but will fly back immediately. Two egrets always have a resting place and a nest. Nest material is made by folding adjacent dead branches. When you first build a nest, it is difficult to place the first branch. Dead branches often fall from trees, and nesting birds break off dead branches and start over. On the first day of nesting, only a few dead branches can be placed on the nesting branches. On the second day of nesting, egrets began to carry branches from a distance. Holding branches and nesting are carried out by parents. Branched egrets pick up the dead branches on the ground or fold up the dead branches on nearby trees, grab the middle part of the branches, that is, the center of gravity, fly to the branches next to the nest, and then walk to the edge of the nest. By constantly opening and closing the beaks, the dead branches slide between the beaks until the center of gravity of the dead branches is exposed to the nesting egrets. The nesting egrets stand on the nest, aim their beaks at the approximate center of the dead branches and pick up the dead branches. After biting dead branches, they often use the constant opening and closing of their beaks to move dead branches until they just bite the center of gravity, which is convenient for operation. The speed and efficiency of nesting in the early stage of nesting are low. When the nest is built to a certain height, the nest material is easy to place and not easy to slide down. At this time, two parents go out to carry nest materials at the same time, which greatly improves the speed and efficiency of nesting. The height of the nest from the ground is 2.4-7.2 meters, the outer diameter of the nest is 27-46 cm, the inner diameter of the nest is 19-37 cm, the height of the nest is10-0/9 cm, and the depth of the nest is 2.5-7.4 cm .. The nest lasts for 3-6 days, and some nests are not completely built. At this time, the singing of egrets has changed obviously compared with that before entering the breeding period, and the sound quality is rough and there is a purr. Egrets not only carry dead branches on the ground and broken branches from trees as nesting materials, but also have the habit of carrying dead branches from old nests. A few egrets use old nests to directly repair and reuse them. Oviposition hatching egrets begin to lay eggs before the nest is fully formed, and the nest expands with the increase of the number of eggs until the end of the incubation period. The fresh eggs of egrets are blue-oval, with an egg volume of about 24mL and an egg weight of about 23 grams. A nest of 2-6 eggs lays 4-5 eggs. The spawning period of parent birds is about 7 days, basically laying eggs every other day. During the spawning period, two adult birds are often seen in the wild together, one is mainly responsible for hatching and the other is on guard nearby. Both of them are responsible for driving away other individuals and continuing to build nests, taking turns to hatch, but they are not focused on hatching. After laying all the eggs, the adult birds gradually hatched alone, and the other one went out to feed, so the time of sitting in the nest began to extend, and the number of leaving the nest gradually decreased, resulting in the behavior of repairing the nest and turning over the eggs. During the incubation period, egrets violently drive away other individuals. When other egrets fly into the attack range, they stop confronting each other and violently attack each other's bodies with their beaks. However, this phenomenon rarely happens, and adjacent individuals will not easily approach the hatching nest. The incubation period is 24-25 days, and there is a time difference of 3-6 days between hatching and hatching. Young egrets are late-born chicks. The newborn chicken is wet all over, with a small head, closed eyes and a big belly. The body is covered with gray-white fetal feathers except the organs of the front neck, abdomen and lower abdomen. When brooding, egrets' parents take turns to fly out for food. The food they find is swallowed or contained in their mouths first, and then vomited into the chicks' mouths or nests after returning to their nests, and the chicks feed on their own. Parent birds fly around more than 30 times a day. Until the chicks can fly away from the nest and go out for food with their parents. When chicks are 3 days old, their feet can hold the nest material tightly; At the age of 5 days, you can straighten your neck and peck the food in the mouth of the parent bird; 9-day-old can crawl in the nest; 1 1 day-old legs can't stand completely; 16 years old, legs can stand and climb completely; At 2 1 day, they can flap their wings on the branches and leave the nest to rob their parents of food. At the age of 26, he could fly short distances. The brooding period generally lasts for 28-35 days. After a period of practice, when young birds can fully master the skills of wild life, they will fly away from the breeding ground with their parents. Announce the end of the breeding season.
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