Japanese Journal of Ornithology
Online ISSN : 1881-9710
Print ISSN : 0913-400X
ISSN-L : 0913-400X
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Volume 42, Issue 3-4
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  • Ingestion of plastic particles of birds recovered at Tokyo International Airport and the adjacent areas
    Akihiro TODA, Keiichi AIHARA, Shin-ichi HAYAMA, Kazuhide NAKAGAKI, Hid ...
    1994 Volume 42 Issue 3-4 Pages 83-90
    Published: May 25, 1994
    Released on J-STAGE: September 28, 2007
    DOIhttps://doi.org/10.3838/jjo.42.83
    JOURNAL FREE ACCESS
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    The authors examined the stomach contents of 636 dead birds (38 species) that were recovered at Tokyo International Airport and the adjacent areas. Of these, 228 birds (35.8%) ingested plastic particles in their stomachs. Anseriformes and Columbiformes, which have developed and musculative gizzards, ingested more plastic particles than other orders. Furthermore the Anseriform had a tendency to ingest more greenish and stringy plastics like marine plants or other kinds of botanical fibers. Whereas the Columbiform took more yellowish plastics similar to botanical seeds and grain of Indian corn. Those facts suggested that the plastic particles were ingested selectively as food just as grid.
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