At present, the cliff swallow has entered the breeding period, and the reporter used a 96-frame high-speed camera to record the spectacular scene of the return of the swallow. Cliff swallows nest in groups, usually dozens of nests together, and there are hundreds or hundreds of nests together, and the nest holes are one after the other, close to each other. Usually nesting on sandy cliffs on the banks of rivers or lakes, male and female adult birds take turns to make nests with their mouths chiseled in the sandy cliffs, and the nests are horizontal tunnels with a depth of 0.5-1.3 meters.

In China, the cliff swallow is mainly a resident bird, and only a few are migratory birds, which need to be migrated.
<h4>Extended reading:</h4>
<h4>A new breeding site for cliff swallows has been discovered in Jilin Town</h4>
In The village of Halata in Momog Mongol Township, Zhenlai County, bird protection team staff set up a fence near the swallow's nest. Baicheng Town, Jilin Province, is an important stopover on the migration route of Migratory Birds in East Asia. Recently, when the grass-roots workers of Momog Mongol Township in Zhenlai County visited the countryside, a large number of bird activities were found next to a road in Halata Village. According to the identification of wildlife conservation experts, this is a new breeding point for cliff swallows, with preliminary statistics of more than 400 swallow nests and nearly 1,000 cliff swallows. At present, the village of Halata has protected the nest with a fence and a bird protection team has been set up to take care of it.
<h4>Source: Northern Evening New Visual Synthesis CCTV News Xinhua Net</h4>
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