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 26, Issue 2
Displaying 1-3 of 3 articles from this issue
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Research articles
  • Species identification to the three allospecies of Phylloscopus [borealis] superspecies based on morphology
    Takema SAITOH, Yoshimitsu SHIGETA, Keisuke UEDA
    2014 Volume 26 Issue 2 Pages 45-61
    Published: 2014
    Released on J-STAGE: December 18, 2015
    DOIhttps://doi.org/10.14491/jbba.00060
    JOURNAL OPEN ACCESS
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    In the past, the Arctic Warbler Phylloscopus borealis (Blasius 1858) was considered a polytypic species by many authors. Recently, however, re-examination of the taxonomy of this species was conducted, and it was divided into three separate species; namely, the Arctic Warbler Phylloscopus borealis, Kamchatka Leaf Warbler P. examinandus, and Japanese Leaf Warbler P. xanthodryas. In contrast to the distinct genetic and vocalization differences, the morphological differences between these species are slight. Therefore, species identification is sometimes difficult in the field. In recent years, species identification for breeding males using discriminant analysis has been developed by the authors. However, species identification for females remains to be established. Here, we explain a method for the identification of the three allospecies of Phylloscopus [borealis] superspecies based on morphology. We hope that this study will serve as a useful identification guide to these species in the field, especially in bird banding.
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  • Breeding philopatry and natal philopatry in the Asian Stubtail Urosphena squameiceps
    Masayoshi KAMIOKI, Noritomo KAWAJI, Takayuki KAWAHARA
    2014 Volume 26 Issue 2 Pages 62-68
    Published: 2014
    Released on J-STAGE: December 18, 2015
    DOIhttps://doi.org/10.14491/jbba.00061
    JOURNAL FREE ACCESS
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    One of the primary purposes of bird banding is to monitor breeding populations. However, there have been only a few published works that have used banding records to study breeding populations in Japan. Here, we report the results of breeding philopatry and natal philopatry of Asian Stubtails Urosphena squameiceps from a long-term banding study (1990～2013) in Hokkaido, northern Japan (ca. 27 ha). We captured 2,233 birds over a 24-year period and calculated a return rate of 7.7% for adults and a natal philopatry rate of 0.5% for juveniles. The return rate of males, at 17.0%, was significantly higher than that of females, at 8.4%. The longest individual record was for a male, which returned to the breeding site for 5 consecutive years. The low breeding site fidelity of Asian Stubtails compared to the other migratory passerine species is probably because they are able to disperse widely, as there are many other suitable breeding areas in Japan.
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