ANNUAL CHANGES OF LEARNED BEHAVIOUR—VARIATION OF SONG PATTERN IN FREE-LIVING CHAFFINCHES,FRINGILLA COELEBS, DURING THE BREEDING SEASON
作者:
F. NÜRNBERGER,
D. SIEBOLD,
H.-H. BERGMANN,
期刊:
Bioacoustics
(Taylor Available online 1989)
卷期:
Volume 1,
issue 4
页码: 273-286
ISSN:0952-4622
年代: 1989
DOI:10.1080/09524622.1989.9753100
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Seasonal changes of parameters of full song were studied in a free-living population of chaffinchesFringilla coelebsduring one entire reproductive period. Approximately 7000 strophes sung by 14 male chaffinches were recorded and analysed by sonography and a particular oscillographic method. While the general pattern of song strophes, i.e. characteristics of elements, number and arrangement of phrases, and final flourish, remained constant throughout the reproductive period, full song varied with respect to the repetition rate of strophes, number of strophe types used, intensity of singing, duration of strophes, and percentage of incomplete strophes sung. These changes are discussed as results of learning processes, social interactions in the population, and endogenous mechanisms activating memorized information.
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