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The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus >
No.58 (2011/12) >

Title :沖縄島北部3地域におけるヤンバルクイナ(Rallus okinawae)の鳴き声
Title alternative :Chirping of Rallus okinawae in three regions at northern of Okinawa Island
Authors :平山, 琢二
福田, 真
玉城, 康智
平川, 守彦
Authors alternative :Hirayama, Takuji
Fukuda, Makoto
Tamaki, Yasutomo
Hirakawa, Morihiko
Issue Date :Dec-2011
Abstract :Abstract: In Okinawa northern island 3 areas, the existence of the chirping of an Okinawa rail was investigated for 24 consecutive hours once per 1 area in order to presume the activity and number of habitations of an Okinawa rail simply. The chirping (kek song) of the Okinawa rail was checked in B and C area. But the chirping (kek Song) of the Okinawa rail was not able to be checked in A area. In the area where the chirping was checked (B and C area), the chirping was observed 2 times, early morning and night. In the A area, a chirping was not able to be observed in which time zone. From this, in the A area, it was thought that there was no (or very few) activity of an Okinawa rail. In the future, it is necessary to increase the number of times of investigation, and an investigation item (kind of chirping), and to raise the accuracy of population estimation.
Type Local :紀要論文
ISSN :0370-4246
Publisher :琉球大学農学部
URI :http://hdl.handle.net/20.500.12000/24294
Citation :琉球大学農学部学術報告 = The Science Bulletin of the Faculty of Agriculture. University of the Ryukyus no.58 p.13 -16
Appears in Collections:No.58 (2011/12)

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