نتایج جستجو برای: pandanus

تعداد نتایج: 379  

Journal: :Biology letters 2007
Gavin R Hunt Russell D Gray

Individual specialization in the use of foraging tools occurs in hunter-gatherer societies but is absent in non-human primate tool use. 'Parallel tool industries' in hunter-gatherers are mainly based on strict sexual division of labour that is highly reliant on social conformity. Here, we show that 12 individuals in a population of New Caledonian crows on Maré Island had strong preferences for ...

Journal: :Proceedings. Biological sciences 2004
Alex A S Weir Ben Kenward Jackie Chappell Alex Kacelnik

We studied laterality of tool use in 10 captive New Caledonian (NC) crows (Corvus moneduloides). All subjects showed near-exclusive individual laterality, but there was no overall bias in either direction (five were left-lateralized and five were right-lateralized). This is consistent with results in non-human primates, which show strong individual lateralization for tool use (but not for other...

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