What kind of bird is a migratory bird ? Why does it move around?

Whenever the weather gets cooler, some migratory birds start to migrate. Migratory birds migrate from colder regions to warmer regions for the winter, mainly in response to climate change. Common migratory birds include swallows, orioles, geese, swans and other birds.

Flocks of migratory birds can be spotted flying regularly above the sky every year, so why do these birds like to move around?

The reason for the migration of migratory birds can be divided into summer birds and winter birds, migratory birds spend a lot of time on the way to migrate every year, and the process of migration is also very difficult, many old and weak birds die on the way to migrate. So why do migratory birds have to go through so much trouble to migrate? The main reason is climate change, many birds can't stand the hot weather, or the cold weather.

When the weather gets hot or cold, they migrate to a place that suits them. For example, when the weather turns cooler, birds that migrate from the north to the south, like swallows, because they do not have a strong cold-proof structure, can easily freeze to death if they spend the winter in the north. And if you move to the warmer south, you can protect yourself well.

The migration of migratory birds is also for the sake of reproduction, after the arrival of autumn and winter to the north, the weather gradually cools, the plants and trees are depressed, whether it is the millet or insects that birds eat are particularly few, birds do not have enough food, which is not conducive to reproduction, so they can only fly to the place where there is food. At this time, the climate in the south is relatively warm, and the vegetation in many places is relatively lush, which can provide more sufficient food for the reproduction of birds, which is also a reason for migratory birds.

In short, birds naturally migrate to adapt to changes in the weather and to survive. Many migratory birds will settle in fixed cities and even small villages every year, such as swallows will live in human yards, they are very trusting of humans, we should love them and create a better home for them.

Many birds have the characteristics of migrating seasons along latitudes, and we call these birds migratory birds. At the same time, for a place, there are winter migratory birds and summer migratory birds. Migratory birds that come to breed in the summer are called summer migratory birds, and migratory birds that come to spend the winter in winter are called winter migratory birds.

The stepwives choose to move around for breeding and wintering.

Some birds have the characteristics of seasonal migration along the latitude, this kind of bird I did not call it a migratory bird, the reason for the migration of migratory birds is more complex, it is generally believed that this is an instinct of birds, with genetic and physiological factors, but also the result of long-term adaptation to external living conditions, with climate and food and other changes in living conditions have a close relationship.

Migratory birds are birds that migrate from north to south according to the climate, migratory birds move because the cold in the north is not conducive to breeding, and another reason is that migratory birds do not have the ability to resist severe cold, so migratory birds will migrate according to the change of seasons.

Migratory birds are just a general term, because of the climate, many birds will choose to go south in the winter to find a suitable habitat to survive the cold winter, and when summer comes, they will go north to avoid the hot sun.

Birds that do not migrate are called resident birds.

Resident bird article reference:

According to the presence or absence of bird migration activities, birds are divided into migratory birds and resident birds. Resident birds stay in their birthplace all year round and do not migrate, such as sparrows, magpies, etc. Among the migratory birds, the birds that fly to breed in summer and go south in winter are called summer migratory birds, such as house swallows, cuckoos, etc.; Birds that fly over the winter and breed north in spring are called winter migratory birds, such as some wild ducks, geese, etc.

Migratory birds: Birds that migrate periodically with different seasons.

Migration: The phenomenon of birds moving back and forth between breeding and wintering areas in a regular and regular manner in spring and autumn each year. It is a survival instinct response of birds to follow their natural environment.

Reasons for migratory bird migration:

1. The migration of birds is an instinct. It is an adaptive behavior of birds to the periodic changes of environmental factors. Seasonal changes in climate are the main reasons for migratory birds.

Due to climate change, food shortages often occur during the cold winters in the north and the dry seasons in the tropics, forcing some individuals of the bird population to migrate to other areas where food is abundant. This behavior is eventually fixed by the forces of nature's selection and becomes an instinct of birds.

2. Migration brings many benefits to birds. The main manifestations are: so that birds always live in the most suitable climate, and have a rich variety of food**, which is conducive to maintaining their strong metabolism; Migration also creates the most suitable conditions for raising offspring, which requires a lot of food; In the north, the largest number of eggs can be hatched, the season is long, there are abundant insects, and the parent bird has the opportunity to collect food adequately; In the north, there are fewer predators, and the appearance of this annual vulnerability does not promote the formation of predator populations; Migration can greatly expand the activity space, which is conducive to reproduction and competition for occupied areas. It is conducive to automatic balancing, which can make the bird close to avoid climate disparity; Migration is also evolutionarily important because it provides opportunities for bird populations to spread to new ranges and for contact and mating between different individuals.

Migratory birds are birds that migrate regularly with the seasons.

Some DU scientists believe that the migration of migratory birds is driven by their own "energy consumption", which is called "energy consumption theory".

Some scientists, on the other hand, agree that migratory bird migration is the result of heredity, which is called genetic induction.

Such as penguins, seagulls, sparrows. Why do some waterfowl migrate so accurately that they do not migrate even if they die in a cold climate?

It will take time to fully unravel the many questions about migratory bird migration.

Migratory birds are sensitive to changes in climate.

As soon as the climate changes, they will start to move inward. In this way, the north can be avoided.

Rongfang is bitterly cold in winter, and summer in the south is scorching.

Changes in the climate also have a direct impact on the food conditions of the birds. For example, after autumn, most of the plants in northern China have lost their leaves, withered, and insect activities have decreased, and they have successively burrowed into the ground to sting or die after laying eggs, and the number has decreased sharply. The scarcity of food prevents small insects-feeding birds from sustening, and they have to migrate to the south, where food is plentiful, to survive the winter, and birds that hunt insects and small insectivorous birds migrate south.

Some migratory birds migrate because the weather in the north is cold and there is a lack of food, but the weather in the south is warm and there is plenty of food.

There are currently 3 different views on why migratory birds migrate:

Birds originated in the south, and due to the south-to-north drift of the continental plates, many birds were brought to the north, so their attempts to return to their homes in the south formed the habit of bird migration.

Birds originated in high latitudes, and the invasion of Quaternary glaciers from north to south forced birds to migrate southward, and waited until the glaciers retreated in summer, so that birds could regularly travel back and forth between breeding grounds and wintering grounds, thus forming a migratory behavior.

Birds originate in the tropical forests of the south, and the population reproduction increases the demand for food, so the ecological pressure causes some birds to disperse to the retreating lands of the northern glaciers in the summer, and when the glaciers come, they return to the south to spend the winter, and over time, they form a regular migration behavior.

The first view is somewhat suspicious in comparison. This is because modern geological studies have shown that significant continental plate movements were completed long before the appearance of birds. There is some evidence for both the second and third views.

However, the third view is more in line with modern ecological thought, and seems to be more reasonable.

On the issue of migratory bird migration, I have two opinions: one is that in order to breed offspring, migratory birds must migrate because they need a suitable temperature and environment for egg laying and hatching; Second, in order to survive, migratory birds need to forage for food in other places; Migratory birds are numerous, need more food, and have to migrate and move with the temperature.

Migratory birds migrate due to the fact that the local climatic conditions are very unsuitable for their survival, and they need to fly to suitable places for the winter. When the spring flowers bloom, they will fly back again.

Summary. Ruddy Shelduck (Latin scientific name: Tadorna Ferruginea is a member of the genus Tadorna Ferruginea in the family Gooseformes, listed as a Least Concern Species on the 2012 International Union for Conservation of Nature (IUCN) Red List of Threatened Species.

Ruddy shelducks breed mainly in southeastern Europe, the Mediterranean coast, northwest Africa, and central and eastern Asia. This group is slightly larger than the domestic duck; russet-brown with distinct white spots and patina green wing glasses on the wings; The beak, feet, and tail are black, and the male has a black neck ring. Ruddy shelduck inhabits open grasslands, lakes, farmlands and other environments, and feeds on various grains, insects, crustaceans, frogs, shrimps, and aquatic plants.

Migratory birds do not pass through our country.

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Hello <> Migratory birds that do not pass through our country: ruddy shelducks, which are migratory birds.

Ruddy Shelduck (Latin scientific name: Tadorna Ferruginea is a member of the genus Tadorna Ferruginea in the family Gooseformes, listed as a Least Concern Species on the 2012 International Union for Conservation of Nature (IUCN) Red List of Threatened Species. Ruddy shelducks breed mainly in southeastern Europe, the Mediterranean coast, northwest Africa, and central and eastern Asia.

The object size of this kind of dynamic excavation bridge is slightly larger than that of domestic ducks; russet-brown with distinct white spots and patina green wing glasses on the wings; The beak, feet, and tail are black, and the male has a black neck ring. Ruddy shelduck inhabits open grasslands, lakes, farmlands and other environments, and feeds on various grains, insects, crustaceans, frogs, shrimps, and aquatic plants.

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Summary. The Arctic puffin is a rare bird endemic to the Arctic region, breeding on the coast of the North Atlantic, wintering in the waters of the North Atlantic, including Iceland, Norway, Greenland, Newfoundland and many North Atlantic islands, as far south as western Maine and the eastern British Isles, without passing through our country.

The Arctic puffin is a rare bird endemic to the Arctic region, breeding on the coast of the North Atlantic, wintering in the waters of the North Atlantic, including Iceland, Norway, Greenland, Newfoundland and many North Atlantic islands, south to the west of Maine and the eastern part of the British Isles, without passing through our country.

The Arctic Tern (scientific name: Sterna Paradisaea) is a species of seabird belonging to the genus Terns. Medium in size, 33-39 cm long in the hidden posture and 76-85 cm in wingspan.

Its plumage is mainly gray and white, its beak and feet are red, its forehead is white, the top of its head and nape of the neck are black, and its cheeks are white. Its gray wings are 305 mm and its shoulder feathers are brown. The upper back is gray with a white feather rim, the neck is pure white, as is the forked tail with gray feathers.

The ear feathers on its back are black. It inhabits swamps, coasts, and other areas. Activities in groups.

Feeds on fish, crustaceans, etc. Distributed in the Arctic and nearby areas, it is a migratory bird that travels more than 40,000 kilometers from its northern breeding area to the ocean near Antarctica and then north to the breeding area after two summers a year, which is the longest known migration route of any animal.

Foreign name: arctic tern, Chinese scientific name, Beidong, Biji tern, Latin, royal trembling bend, sterna paradisaea, animal kingdom, door, notochord, motophyll, sullen door.