Why are thrush feathers often closed in hot weather, but loose in cold weather?

This is due to fleeing to other places along the ground, taking off directly in a hurry and flying fast.

Resident birds living in mountainous areas usually move alone or in pairs and occasionally form small groups. Timid and alert by nature, he usually hides in dense bushes and weeds, likes to fly and inhabit in bushes, and sometimes jumps from the ground to the branches to fly.

In case of interference, immediately drill under the bushes and then flee to other places along the ground. In a hurry, it also took off directly, flying fast, but it fell off before flying far. Flying doesn't last long, and it usually doesn't fly far. Often foraging in the grass under the forest, not good at long-distance flight. They sang almost non-stop from morning till night, and their songs were melodious and beautiful. Especially in the breeding season, males can sing, and their songs are more melodious, melodious and varied.

Extended data:

Thrush related information:

1. The period from Tomb-Sweeping Day to summer to Sunday is the breeding season of thrush in China every year, and each pair of thrush can breed 1-2 times a year. In the warm spring of March in bloom, the male thrush first goes into estrus and sings loudly and softly, expressing his love for the female. On the one hand, I made a vow of eternal love, on the other hand, I was always ready to give a warning to my possible rival in love to show that my marriage was inviolable.

2. Thrushcross's hearing organ is very developed, and it is extremely sensitive to the vibration of audio, and its response is particularly fast. In the breeding season, males are especially good at singing, especially in the early morning and evening. Its singing is high-pitched, passionate, tactfully changeable, enduring, charming and very beautiful.

3, when the phone is fast, the excitement is unrestrained, such as a jade plate; When you call slowly, it's like running water. In particular, its long continuous singing is really amazing. Therefore, some people call it a "singer in the forest" or a "singer in the bird".

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