三种啄木鸟的繁殖习性及对昆虫的取食研究

Reproduction habits of three species of woodpeckers and their prey on insects/

通过对啄木鸟生物学特性的进一步观察 ,对啄木鸟巢区的概念、二次产卵的功能和育雏期间亲鸟的觅食规律以及啄木鸟的食性特点有了更全面的认识。并对啄木鸟 (主要是大斑啄木鸟 )凿伤健康林木和取食少量天敌、麦粒的情况进行了调查统计。

More overall understanding about the concept of nest district of woodpeckers,the function of secondary oviposition,the regularity of foraging and feeding of parent birds during the time of breeding and the feeding habits of woodpeckers were obtained from further observation on the bionomics of woodpeckers.Furthermore,investigation and statistics were made on damage on healthy trees made by woodpeckers, especially Dendrocopos major and their foraging and feeding on some natural enemies and grains.