Hirata S - Search Results

1

Capturing and toying with hyraxes (Dendrohyrax dorsalis) by wild chimpanzees (Pan troglodytes) at Bossou, Guinea.

Hirata S, Yamakoshi G, Fujita S, Ohashi G, Matsuzawa T. Hirata S, et al. Am J Primatol. 2001 Feb;53(2):93-7. doi: 10.1002/1098-2345(200102)53:2<93::AID-AJP5>3.0.CO;2-X. Am J Primatol. 2001. PMID: 11170171

2

Use of leaves as cushions to sit on wet ground by wild chimpanzees.

Hirata S, Myowa M, Matsuzawa T. Hirata S, et al. Am J Primatol. 1998;44(3):215-20. doi: 10.1002/(SICI)1098-2345(1998)44:3<215::AID-AJP4>3.0.CO;2-Z. Am J Primatol. 1998. PMID: 9519241

3

Naive chimpanzees' (Pan troglodytes) observation of experienced conspecifics in a tool-using task.

Hirata S, Morimura N. Hirata S, et al. J Comp Psychol. 2000 Sep;114(3):291-6. doi: 10.1037/0735-7036.114.3.291. J Comp Psychol. 2000. PMID: 10994845

4

Role of mothers in the acquisition of tool-use behaviours by captive infant chimpanzees.

Hirata S, Celli ML. Hirata S, et al. Anim Cogn. 2003 Dec;6(4):235-44. doi: 10.1007/s10071-003-0187-6. Epub 2003 Sep 13. Anim Cogn. 2003. PMID: 13680401

5

An experimental study of leaf swallowing in captive chimpanzees: insights into the origin of a self-medicative behavior and the role of social learning.

Huffman MA, Hirata S. Huffman MA, et al. Among authors: hirata s. Primates. 2004 Apr;45(2):113-8. doi: 10.1007/s10329-003-0065-5. Epub 2004 Jan 23. Primates. 2004. PMID: 15095043

6

Mitochondrial DNA genealogy of chimpanzees in the Nimba mountains and Bossou, West Africa.

Shimada MK, Hayakawa S, Humle T, Fujita S, Hirata S, Sugiyama Y, Saitou N. Shimada MK, et al. Among authors: hirata s. Am J Primatol. 2004 Nov;64(3):261-75. doi: 10.1002/ajp.20077. Am J Primatol. 2004. PMID: 15538765

7

The formation of the brush-sticks: modification of chimpanzees or the by-product of folding?

Takemoto H, Hirata S, Sugiyama Y. Takemoto H, et al. Among authors: hirata s. Primates. 2005 Jul;46(3):183-9. doi: 10.1007/s10329-005-0127-y. Epub 2005 May 10. Primates. 2005. PMID: 15883649

8

Chimpanzees (Pan troglodytes) learn to act with other individuals in a cooperative task.

Hirata S, Fuwa K. Hirata S, et al. Primates. 2007 Jan;48(1):13-21. doi: 10.1007/s10329-006-0022-1. Epub 2006 Nov 11. Primates. 2007. PMID: 17103081

9

Assessing chimpanzee personality and subjective well-being in Japan.

Weiss A, Inoue-Murayama M, Hong KW, Inoue E, Udono T, Ochiai T, Matsuzawa T, Hirata S, King JE. Weiss A, et al. Among authors: hirata s. Am J Primatol. 2009 Apr;71(4):283-92. doi: 10.1002/ajp.20649. Am J Primatol. 2009. PMID: 19199350

10

Facial perception of conspecifics: chimpanzees (Pan troglodytes) preferentially attend to proper orientation and open eyes.

Hirata S, Fuwa K, Sugama K, Kusunoki K, Fujita S. Hirata S, et al. Anim Cogn. 2010 Sep;13(5):679-88. doi: 10.1007/s10071-010-0316-y. Epub 2010 Mar 6. Anim Cogn. 2010. PMID: 20213188

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