STUDIES ON THE BREEDING AND FEEDING HABIT OF THE COAL TITS
煤山雀繁殖与食性的研究

The Coal tits (Parus ater ater Linnaeus) are beneficial and resident birds. In the habitats, they move in a regular way during September and October up to March next year. Tn the region of the Changbai Mountain, Jilin Province, they occur mainly in the coniferous forest zone of mountainous region (1,100-1,800 m. alt.) and in the coniferous and broadleaf mixed forest zone (780-1,100 m. alt.) during their breeding season.They begin nest building from the end of April to the beginning of May. Most of them make...