What is a bird cooing in the middle of the night?

Cuckoo is a bird that coos in the middle of the night. With the coming of the solar terms in Grain Rain, cuckoos began to crow. The sound of "cuckoo, cuckoo" is very similar to the pronunciation of "cuckoo, cuckoo", as if urging people to sow early, otherwise, people will mistakenly think it is a year. So we call this bird Rhododendron, which is vivid, and there is no better name in China.

Rhododendron is similar in shape to pigeons, but slender in shape, with a dark gray upper body and a horizontal spot on the abdomen. A foot has four toes, two toes forward and two toes backward. Fly quickly and quietly. Before and after the ear seed, it can be heard loud and somewhat desolate almost day and night, which is characterized by four tones-"Goo goo goo".

Extended data:

Rhododendron often inhabits open woodlands, especially near the water. Often sing in the morning, 24-26 times per minute, stop singing for half an hour. Sexual cowardice is often hidden in leaves. Usually I only hear singing, but I seldom see it. Flying fast, walking in a straight line, often have to slide a distance before landing.

Feeding on Lepidoptera larvae, beetles, spiders, snails, etc. Eating in large quantities has a considerable effect on eliminating pests. Distributed in western and southern China, India, Nepal, Myanmar and Thailand.

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