Which birds are beneficial birds?

Swallows, big tits, orioles, woodpeckers, cuckoos, Chinese Pulsatilla.

1, swallow.

Mainly based on mosquitoes, flies and other insects as the staple food, it is a well-known beneficial bird, and there is a habit of protecting swallows in the mass era. Swallows are birds that are beneficial to human beings. When the autumn wind is bleak and the leaves fall, swallows fly to the south in droves, and then fly back to the original place when the flowers bloom and the willows shoot in the next spring.

2. Big tits.

Great tits are small and medium-sized birds with a body length of 13- 15 cm. The whole head is black, with large white spots on both sides of the head. Beak tip, easy to prey. The upper body is blue-gray, the back is green and the lower body is white. There is a broad central longitudinal stripe on the chest and abdomen, which is connected with the chin and throat. It mainly feeds on insects such as golden flower worms, scarabs, moth larvae, ants, bees, caterpillars and owls.

3. oriole.

The oriole is an insect-eating bird. Its food is mainly insects, and it also eats some fruits and plant seeds. In nature, it can kill many pests, especially in the incubation period, it preys on caterpillars, locusts, moth larvae and so on that eat pears.

4. azaleas.

Rhododendron is a general term for birds of Ericaceae. Common species are Rhododendron grandiflora, Rhododendron trilobata and Rhododendron trilobata. Cuckoo calls like "Cuckoo, Cuckoo", so it is also called Cuckoo; Three cuckoos sound like "Mi Guiyang", so some places call it Mi Guiyang; Four-tone cuckoo, also known as Zigui birdsong, seems to "cut wheat quickly" and "cut wheat and cut grain".

Rhododendron feeds on insects and is a famous forest bird. For example, other birds, such as Dendrolimus punctatus and poisonous moths, dare not eat it, but it is delicious for cuckoo.

5. Woodpecker.

Woodpecker is a famous forest bird. In addition to killing the pests under the bark, the traces of wood chipping can be used as an indicator of forest sanitary logging. They feed on some pests, such as longicorn beetles, brown beetles, winged moths, smelly bedbugs, etc., and can eat about 1500 every day.

Because woodpeckers eat a lot and have a wide range of activities, in the forest of 13.3 hectares, if a pair of woodpeckers inhabit, more than 90% of insects can be pecked away in a winter.