绿背山雀繁殖期鸣声声谱分析

2005年4～6月，在四川屏山县老君山自然保护区采用计算机声谱分析技术，对绿背山雀繁殖期护域、警告、报警、警戒和幼雏乞食的鸣声进行了初步研究。结果表明，雄性护域有3种不同音节鸣声，3种音节鸣声的MPF差异均不明显（P〉0.05），全句持续时间差异显著（X^2=8，42〉x0.05^2,df=2，P〈0．05）；雌性护幼为2个音节的警告呜声；雌雄两性遇到危险时均发出音节不同的警戒声和报警声，其警戒声各音节持续时间差异极显著（P〈0，01），各音节间隔时间差异不明显（P〉0.05）；幼雏乞食鸣声通常由2～3个音节重复而成。同时还探讨了不同鸣声与相应行为的关系。

Birdsong Spectrographic Analysis on Call of Parus monticolus during Breeding Season

Characteristics of calls of Parus monticolus,including preserving territory,warning call,gathering call,alarming call,guarding call and young bird feeding call were studied with computer analysis during the breeding season in Pingshan County of Sichuan Laojunshan Nature Reserve by spectrographic analysis from April to June,2005.The results showed that the preserving territory calls of male had three type syllables,and the MPF during three type syllables was insignificantly different(P>0.05),but duration of whole sentence was significantly different(P<0.05).The warning call of female was composed of two syllables.The alarming call and guarding call of male and female had different syllable in danger,and every syllable duration of guarding call between male and female was significantly different(P<0.01),but interval time was insignificantly different(P>0.05).The young bird feeding call was composed of the repeated two-syllabled or three-syllabled phrase.The behaviors and characteristics of birdsong of Parus monticolus during breeding season are discussed.