scholarly journals Embracing in a Wild Group of Yakushima Macaques (Macaca fuscata yakui) as an Example of Social Customs

2015 ◽  
Vol 56 (1) ◽  
pp. 104-120 ◽  
Author(s):  
Naofumi Nakagawa ◽  
Miki Matsubara ◽  
Yukiko Shimooka ◽  
Mari Nishikawa
Keyword(s):  
Macaca Fuscata ◽  
Macaca Fuscata Yakui ◽  
Social Customs ◽  
Wild Group

Urological Screening of a Wild Group of Japanese Macaques (Macaca fuscata yakui): Investigating Trends in Nutrition and Health

2012 ◽  
Vol 33 (2) ◽  
pp. 460-478 ◽  
Author(s):  
Andrew J. J. MacIntosh ◽  
Michael A. Huffman ◽  
Koki Nishiwaki ◽  
Takako Miyabe-Nishiwaki
Keyword(s):  
Macaca Fuscata ◽  
Japanese Macaques ◽  
Macaca Fuscata Yakui ◽  
Nutrition And Health ◽  
Wild Group

Sound transmission in the habitats of Japanese macaques and its possible effect on population differences in coo calls

Behaviour ◽  
2006 ◽  
Vol 143 (8) ◽  
pp. 993-1012 ◽  
Author(s):  
Toshiaki Tanaka ◽  
Hideki Sugiura ◽  
Nobuo Masataka
Keyword(s):  
Macaca Fuscata ◽  
Japanese Macaques ◽  
Population Difference ◽  
Population Differences ◽  
Macaca Fuscata Yakui ◽  
Acoustic Features ◽  
Pure Tones ◽  
Habitat Acoustics ◽  
Acoustic Environments ◽  
Two Populations

AbstractRecently, the acoustic features of coo calls were reported to differ between two populations of Japanese macaques (Macaca fuscata yakui), namely the Ohirayama and Yakushima populations. We hypothesized that this difference may arise through differences in the acoustic environments of the two habitats, and measured the degrees of transmission of pure tones (250-8000 Hz) and the coo calls of the two populations in each habitat. In the Ohirayama habitat, lower frequencies were transmitted more efficiently, and the low-pitched coo calls of the Ohirayama population showed significantly better transmission than the high-pitched calls of the Yakushima population. In the Yakushima habitat, the degrees of transmission of the calls of the two populations did not differ significantly. Therefore, the calls of the Ohirayama population possess acoustic features that allow better transmission in their own habitat, suggesting that the habitat acoustics may be a factor contributing to the population difference between the calls.

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