Many birds benefit, exterminating pests of the garden and woods. There are cases where they eliminate the hotbed of harmful insects. Familiarity with useful activities feathered friends to better understand and appreciate their value to humans.
The gardens near the Alma-Ata, we watched as the bird kill codling moth, pear psylla, and scale insects, in which participated not only insectivores.
Common redpoll we found only in the winter. Staple food for her — seeds. In March 1963, he held intensive redpolls flight north to breeding grounds. At the end of the month in the garden we saw a small flock, tap dancing thoroughly searched thin twigs of apple trees, particularly the fork, and something to peck. We have extracted the two and in the crop and the stomach of one of them found 45 larvae of scale insects, the other — small seeds and 242 larvae of scale insects.
Common chechevitsa- granivorous birds nesting in the foothills in the area of deciduous forest of Trans-Ili Alatau. May 23 in the garden of kolkhoz Chapaeva seen lentils, codling moth caterpillar eats out of the nest. In the stomach of birds produced on May 29 in the area of Butakovka, found four adult female scale insects Turan.
Gray-headed goldfinch is one of the few species of birds nesting in the foothills and cultural gardens. Its main food — the seeds of various plants. May 23 in the garden of part-time farm «Kargalinka» goldfinch observed that codling moth caterpillars choose from their nests. After the bird flew into the slot remaining eight tracks (usually it happens to 50, and 15-20).
Hawk warbler — insectivorous bird that lives in the bushes along the usually ditches and sadozaschitnyh bands. In late May, the garden kolkhoz Chapaeva watched Warbler codling moth caterpillars ate.
Common Chiffchaff belongs to the rare migratory birds. In the stomach of one of them produced on March 29 in the garden of subsidiary farms «Kargalinka» found six larvae acacia Coccidae and one moth cocoon.
In the autumn of 1963 in the gardens of a very intensive flight-warblers zarnichek. In September, eight birds found pear psylla adults and larvae (12-259 pcs. Each), and two — 35 and 75 wingless aphids.
Considering the good work, which is held annually the birds in our gardens, you need to take care of the increase in their numbers. First of all, we should stop the destruction of shrubs in shelterbelts and strengthen the work of nature conservation among schoolchildren.