What is the season when swallows fly back from the south and geese fly south from the north?

Swallows and geese are the two favorite migratory birds except chickens, ducks, geese, ducks, sparrows, cuckoos and other common birds. What is the season when swallows fly back from the south and geese fly south from the north?

According to bird data, swallows are most willing to get close to humans, and humans love this kind of beneficial birds most. Generally, it begins to fly south to Hainan and further south around 10-11, and from April to June, it flies north from the island to the farm near the farmland to breed. The wild geese fly north around March 3 of the lunar calendar (April of the Gregorian calendar) and south in autumn, starting from September of the lunar calendar (October of the Gregorian calendar).

The wild geese 'hometown is in Siberia. Every autumn and winter, they move southward in groups. There are two main ways to fly: one route from northeast China through the Yellow River and Yangtze River basins to Fujian and Guangdong coastal areas, and even as far away as the Nanyang Islands; the other route through Inner Mongolia, Qinghai, to Sichuan, Yunnan, and even as far away as Myanmar and India to overwinter. The next year, he traveled a long way back to Siberia to lay eggs and reproduce.

First, the swallow learns like the famous swallow, which is the general name of 74 species of birds of the family Passeriformes. The shape is small, the wing tip is narrow, the concave tail is short beak, the foot is weak, not too many feathers. Feather clothes are monochrome or metallic blue or green; most species are very similar to both sexes. Swallows spend a lot of time in the air to catch pests, is one of the most flexible finches, mainly mosquitoes, flies and other insects as the staple food, is well-known good birds. Nest in tree holes or cracks, or drill holes in sand banks, or in urban and rural areas to stick mud to the walls or protrusions of corridors, roofs, eaves, etc. Every 3 to 7 eggs are laid.

The house swallow nests under the eaves of the farmhouse. The nest is mostly made of mud and grass stems bonded with saliva, covered with soft weeds, feathers, rags, and some artemisia leaves. The nest is dish-shaped. Two nests are produced every year, mostly from May to early June and from mid-June to early July. Each litter laid 4-6 eggs. The second litter is less, 2-5. The egg is milky white. Male and female hatch eggs together. After 14-15 days, the young birds came out of their shells and their parents were fed together. The chicks fly out in about 20 days, feed for another 5 to 6 days, and then feed on their own. The food is all insects. The golden-waisted swallow is similar to the house swallow, but slightly larger. This kind of swallow waist chestnut yellow, very eye-catching, the lower body has small black lines, easy to distinguish from the house swallow. Their habits are also similar to those of house swallows, but most of them live in mountain villages. Yan is a typical migratory bird. After breeding, the young birds still follow the adult activities, gradually integrate large groups, and move south to winter before the first cold wave.

Wild geese, also known as wild geese, swans, large migratory birds, are second-class protected animals in the country. The wild geese are enthusiastic and can inspire their companions and encourage their flying companions with their calls.

Wild geese belong to the class Ornidae and Anatidae, which is the general name of all species of the subfamily Yeninae. Common in China are wild geese, gray geese, bean geese, white forehead geese and so on. The geese are made up of six, or in multiples of six. The geese are families, or aggregates of groups.

There are 9 species of wild geese in the world, of which China accounts for 7 species. In addition to white forehead geese, there are common wild geese, bean geese, spotted geese and gray geese, commonly known as "wild geese" in the folk. Wild geese are one of the well-known groups of birds. When migrating, dozens, hundreds, or even thousands of geese always gather together and fly in line with each other. The ancients called them "wild geese". The "wild goose array" is led by an experienced "head goose". When the flight is accelerated, the line is lined up in the shape of "man". Once it slows down, the line changes from the shape of "man" to the shape of a long snake. This is an effective measure taken for long-distance migration.

When the wings of the "head geese" flying in front of them pass through the air, a faint updraft will be generated on the tip of the wings, and those behind it can make use of it in turn, thus saving energy. However, because the "head geese" do not have this weak updraft to make use of, it is easy to get tired, so in the process of long-distance migration, the geese need to change the formation frequently and change the "head geese". They act regularly, sometimes singing while flying, constantly shouting "Yi ah, Yi ah". Most of the migration takes place at dusk or at night, and on the way to travel, we often choose larger waters such as lakes to rest and look for food such as fish, shrimp and aquatic plants. Each migration takes about 1 to 2 months and goes through a lot of hardships along the way. But they go north in spring and south in autumn, and never break their promises. No matter where they breed or spend the winter, they always travel north and south on time.