What are the benefits of birds to human beings? Please give an example.

Birds have many benefits to human beings.

First, some birds are tender and delicious, and they are delicious food for people. Bird eggs are also rich in nutrients and can be eaten by human beings.

Second, some birds are natural insect-catching animals and good helpers for farmers. An owl can kill 1000 voles in a summer, which is equivalent to protecting a ton of grain. A thousand gregarious purple-winged starlings can kill 20 tons of locusts during the breeding season. A swallow can eat 500,000 to 6.5438+00,000 mosquitoes, flies and aphids in a summer.

Third, birds are forest guards. Birds play an important role in preying on many forest pests. Bird droppings contain a lot of nitrogen and phosphorus compounds and are high-quality organic fertilizers.

Birds can help people to fish and hunt. For example, cormorants are masters of fishing.

Bird feathers can be used not only as down jackets and duvets to keep people warm, but also as badminton and beautiful decorations.

6. Some birds, with bright feathers or melodious songs, are favorite ornamental birds or caged birds.

Seven, pecking flowers and birds, sunbirds and other birds feed on nectar, thus spreading pollen for flowers and trees.

Eight, some birds can be used as medicine, such as black-bone chicken, white-feather chicken, clove chicken and so on. There are also excellent bird's nest herbs and supplements.

Birds can help people deliver letters. There was no telephone in ancient times, and many letters were delivered by homing pigeons.

The unique physiological structure and function of birds provide bionic scientific research topics for the innovation of mechanical systems, instruments and equipment, building structures and technological processes. Such as "pigeon eye radar system", "eagle eye system missile" and so on.

Extended data:

When science meets nature, what do we learn from birds:

In George Kelly?'s animal atlas? Known as the "father of aviation", many birds have become the prototypes of airplane models. For example, in 1808, Kelly designed a flapping wing machine model, which was inspired by a heron he shot with a shotgun in a mansion. George's flapping wing machine copied the shape and proportion of the heron. It will be 83 years before the first flight of the first hang glider. The appearance of airplanes will be pushed to the beginning of the 20th century.

Throughout the history of human imagination or practical flight, birds have played an indispensable role in it-1906, Brazilian Alberto Santos dumont installed a load-bearing supplement device at the front end of the fuselage, inspired by wild ducks, which enabled the "14bis" plane to successfully fly over a record 220 meters; 1909, Igor Eiterig, an aviation pioneer, learned from the gliding posture of pigeons and built the fuselage and wings of the plane himself. ......

In addition to birds, winged gourd, trout, flying squirrel and other animals and plants also provide reference and help to pilots. The birth and transformation of gliders, airplanes and other aircraft not only proves that human flight can not be separated from the study and imitation of nature, but also affirms, supplements and pays tribute to a "both ancient and young" discipline-bionics.

Reference link: Baidu Encyclopedia _ Bird Class