How do swallows spend the winter?

Every summer, there are some bird's nests under the eaves of many families, and from time to time we can see the swallows grabbing food to feed the little swallows. In the early spring, the swallows disappear. How can the swallows survive the winter?

How do swallows spend the winter?

Swallows will fly to the south in groups during the winter, because the south is warmer in winter, there are many worms, and there is relatively plenty of food. When the flowers bloom and the willow branches sprout in the next year, they will fly back to the place where they used to live.

What do swallows eat?

Swallows are beneficial birds for human beings, mainly feeding on mosquitoes, flies and other insects. A swallow can prey on more than 500000 various pests in a summer, protecting crops. Swallows are famous summer migratory birds in China, which migrate to the north in early spring and spread all over the country in summer. After breeding, they migrate south in groups and spend the winter in India, Nanyang Islands and Australia. Swallows feed on insects, and they have always been accustomed to preying on flying insects in the air, and are not good at searching for insect food in cracks and gaps in trees. nor can oak grouse and Thunderbird omnivorous on berries and seeds and switch to leaves in winter (some coniferous species do not lose leaves even in winter), and cannot dig for latent insect larvae, pupae and eggs like woodpeckers and woodfinches. In winter in the north, there are no flying insects for swallows to hunt, so they migrate.

Swallows are most willing to get close to humans, and humans love this kind of beneficial birds most. It usually returns from the island to the farm near the farmland (insects) from April to July to breed. 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 birds, and gradually integrate.