Hearing the cuckoo’s call in the morning in the south reminds farmers to plant rice seedlings. In the north, it means sharpening the sickle to cut the wheat. Farmers sharpen their sickles and go to the fields to harvest grain.

Cuckoo is the unified name for birds in the family Cuckoo. Common cuckoos include great cuckoo, three-voiced cuckoo and four-voiced cuckoo. The big cuckoo's cry is like "cuckoo, cuckoo", so it is also called cuckoo; the four-sounding cuckoo is also called the cuckoo, and its cry is like "cut the wheat quickly" or "cut the wheat and cut the grain". The cuckoo feeds on insects and is a famous forest beneficial bird.

As for the cuckoo, there is such a record in Cao Xueqin's "Peach Blossom Journey": "Du Yuchun died with the sound of Du Yuchun, leaving the lonely curtain with moon marks in the sky." "Du Yu" is the cuckoo, and the cuckoo is a part of the cuckoo. Cuckoos usually migrate back to the countryside in late spring and early summer. The cuckoo's call means that spring is coming to an end and summer is coming.

Extended information:

Cuckoos mostly live in forests in tropical and temperate areas. About two-thirds of cuckoos, including all North American species, build nests and raise their own chicks; only about one-third raise their chicks parasitically.

The cuckoo will cry all night long in spring and summer. Its sad and sad cry often arouses people's various emotions. In addition, the cuckoo's oral epithelium and tongue are all It is red, and the ancients mistakenly thought that it "crows" until its mouth bleeds, which led to many legends and poems about "cuckoo cries blood" and "crows blood with deep resentment".

Reference: Baidu Encyclopedia-Cuckoo Bird