How does the little swallow spend the winter?

Swallows are good birds. It is small in size, with long wings and forked tail feathers when spreading. It preys on insects when flying. Some species of Swift completely use saliva to build their nests on the top of the cliff cave or the cave wall, these nests have high economic value, namely "bird's nest". So, how does the little swallow spend the winter?

How does the little swallow spend the winter

The little swallow will fly to the south for the winter. When the autumn wind is bleak and the leaves are falling, the swallows will fly to the south in groups, because the south is warmer in winter, there are many worms, and there is relatively plenty of food. It is so cold in winter in the north that the worms are hiding. In the next year, when the flowers bloom and the willow branches sprout, they will fly back to the place where they used to live.

II. Living habits

Swallows usually breed from April to July. The house swallow nests under the eaves of the farmhouse. 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.

Yan is a typical migratory bird. After breeding, the young birds still follow the adult activities, and gradually integrate large groups, moving south before the first cold wave to winter, is a "nomadic people" in the bird family. Swallows are beneficial birds for human beings. they mainly feed on insects such as mosquitoes and flies. They can eat 250000 insects in a few months.