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Author Title Year Publication Serial (down) Volume Pages
Sakura O; Matsuzawa T Flexibility of wild chimpanzees nut-cracking behavior using stone hammers and anvils: an experimental analysis 1991 Ethology 3038 87 237
Seferta, A.; Guay, P.-J.; Marzinotto, E.; Lefebvre, L. Learning Differences between Feral Pigeons and Zenaida Doves: The Role of Neophobia and Human Proximity 2001 Ethology 2184 107 281-293