The Bulletin of the Japanese Bird Banding Association
Online ISSN : 2187-2481
Print ISSN : 0914-4307
ISSN-L : 0914-4307
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Volume 10, Issue 1
Displaying 1-3 of 3 articles from this issue
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  • Valididy of Sex Discrimination of the Short-tailed Bush Warbler Cettia squameiceps Based on Morphological Measurements
    Noritomo KAWAJI
    1995 Volume 10 Issue 1 Pages 18-22
    Published: 1995
    Released on J-STAGE: August 20, 2015
    DOIhttps://doi.org/10.14491/jbba.AR088
    JOURNAL FREE ACCESS
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    The sexual differences of the Short-tailed Bush Warbler were examined using five morphological measurements (natural wing length, exposed culmen length, tarsus length, tail length and body weight). The sample population consisted of 120 adults (64 males and 56 females) bred in an experimental forest of the Hokkaido Research Center, FFPRI during the period 1991-1995. Two measurements (natural wing length and tail length) were significantly larger in males, but the others showed no difference between sexes. A discriminant function analysis was implemented using four measurements (body weight was excepted), but the probability of correct discrimination was relatively low (73.7% in male, 68.9% in female). These results suggest that sex discrimination based on these five morphological measurements may be not useful for the Short-tailed Bush Warbler.
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