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A pilot study of the social correlates of levels of urinary cortisol, prolactin, and testosterone in wild long-tailed macaques (Macaca fascicularis)

✍ Scribed by C. P. van Schaik; M. A. van Noordwijk; T. van Bragt; M. A. Blankenstein


Publisher
Springer Japan
Year
1991
Tongue
English
Weight
872 KB
Volume
32
Category
Article
ISSN
0032-8332

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## Abstract We investigated sex differences in how Burmese long‐tailed macaques (__Macaca fascicularis aurea__) used stone tools to open shelled food items along the shores of two islands in Laemson National Park, Thailand. Over a 2‐week period in December 2009, we collected scan and focal samples