本文对吉林省左家自然保护区鸟类的现存生物量、群落的多样性、均匀度、相似性及空间配置进行了初步研究，报告了各群落鸟类种数、密度及现存生物量、鸟类组成种的多样性指数与均匀性指数和相似性指数，阐明了鸟类与植被类型的关系． In this paper, the preliminary studies on the existing biomass, community diversity, evenness, similarity and spatial distribution of birds in Zuojia Nature Reserve in Jilin Province were conducted. The species, density and existing biomass of birds in each community were reported The diversity index, the homogeneity index and the similarity index of the species composition clarify the relationship between the bird and the vegetation type.