The benefits of birds to human beings?

The benefits of birds to human beings:

1. Birds can help people kill many pests and spread the seeds of various plants. Moreover, many domestic birds are domesticated from the original wild birds, providing us with nutritious meat and eggs.

2. Wild birds are an indispensable part of the natural biological chain. Once the natural biological chain breaks, it will cause serious imbalance of the earth's ecological environment and even threaten the survival of creatures including human beings. So we should love birds, protect birds, protect all wild animals, that is, protect biodiversity, but also protect ourselves.

3. Like music, bird language, as a kind of information, can regulate the function of people's nervous system and relax people's nervousness, thus making people feel relaxed. Some bird songs also have the function of preventing diseases and keeping fit. Therefore, concentrating on listening to birdsong can make the tired brain rest, eliminate physical fatigue, forget mental pain, increase mental happiness and form a cheerful personality. Gazing at the bird's every move can also concentrate people's attention and make people's spirit orderly, which is not only conducive to preventing teenagers' myopia and improving their eyesight, but also helps to cultivate teenagers' habit of seeking peace while moving, so that they can concentrate on their work and directly play an auxiliary role in the treatment of various diseases.

Birds are more conducive to human production and life. A pair of woodpeckers can protect more than 10 mu of forest from pests. A cuckoo can kill more than 100 Dendrolimus punctatus every day. A swallow can prey on more than 654.38+00000 flies, mosquitoes and aphids in a summer. An owl can eat 4 ~ 5 mice in one night, and its ability of catching mice is no less than that of domestic cats, thus reducing food loss 1000 kilograms every year. More than 60% of the food of magpies and crows are also pests. Entomologists dissected 500 birds and found that 93% of them had insects and insect fragments in their stomachs.