Urban Pest Management
Online ISSN : 2435-015X
Print ISSN : 2186-1498
Volume 5 , Issue 1
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  • Hirofumi KIKUCHI, Masatoshi TAKEUCHI
    2015 Volume 5 Issue 1 Pages 1-6
    Published: 2015
    Released: February 22, 2020
    JOURNALS FREE ACCESS

    In this study, we analyzed the escape distances (EDs; measured as the distance at which birds flush) of five bird species—Japanese Tit Parus minor, Eurasian Tree Sparrow Passer montanus, White-cheeked Starling Spodiopsar cineraceus, Brown-eared Bulbul Hypsipetes amaurotis, and Rock Dove Columba livia —when exposed to a walking person holding binoculars in an urban park. Escape distances varied among species, with the larger species being more tolerant of human disturbance than the smaller species. Rock Doves flushed at a shorter distance and showed a greater tolerance to approaching pedestrians. When birds were exposed to walkers carrying binoculars, there was an increase in ED, and, unexpectedly, the generally tolerant Rock Doves showed the highest increase in flush reaction. It is suggested that almost all the bird species examined in this study have the ability to discriminate between people walking toward them with binoculars and those walking empty-handed.

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