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書誌情報 | ファイル |
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Introducing tool-based feeders to zoo-housed chimpanzees as a cognitive challenge: spontaneous acquisition of new types of tool use and effects on behaviours and use of space. Yamanashi, Yumi; Matsunaga, Masayuki; Shimada, Kanae; Kado, Ryuichiro; Tanaka, Masayuki (2016-08) Journal of Zoo and Aquarium Research (JZAR), 4(3): 147-155 | |
Development of bed-building behaviors in captive chimpanzees (Pan troglodytes): Implication for critical period hypothesis and captive management Yamanashi, Yumi; Bando, Haruna; Matsunaga, Masayuki; Tanaka, Masayuki; Nogami, Etsuko; Hirata, Satoshi (2020-09) Primates, 61(5): 639-646 |
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