Stomach analysis of 12 species of Japanese hawks

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Bibliographic Information

Other Title
  • 日本産タカ類12種の食性

Abstract

Stomach contents of the following 12 species, 202 individuals of hawks collected by the sinior author during 1924-1937 in nothern part of Japan were analysed by the junior author: Falco peregrinus(5), F. columbarius(6), F tinnunculus(13), Buteo buteo(57) Spizaetus nipalensis(6), Circus aeruginosus(5), Accipiter gentilis(14), A. nisus(41), A. virgatus(23), Milvus migrans(15), Pernis apivorus(12), and Butastur iudicus(6), <br>The specimens were collected throughout the year but more in winter except from some buzzards, goshawks, sparrow-hawks, honey buzzards and buzzard-hawks, the last two being summer visitors.<br>The result can be shown by the table below:<br>It is to be noted that although many passerine birds are taken by these hawks, the Tree Sparrow, which is the seasonal pest to rice crops, far more outnumbered other species; for example, it occupied 73% of the diet of Sparrow-hawk, Accipiter nisus.

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Details 詳細情報について

  • CRID
    1390282680017232256
  • NII Article ID
    130003572978
  • DOI
    10.3312/jyio1952.5.13
  • ISSN
    18833659
    00440183
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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