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Hook tool manufacture in New Caledonian crows: behavioural variation and the influence of raw materials
BACKGROUND: New Caledonian crows use a range of foraging tools, and are the only non-human species known to craft hooks. Based on a small number of observations, their manufacture of hooked stick tools has previously been described as a complex, multi-stage process. Tool behaviour is shaped by genet...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2015
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650250/ https://www.ncbi.nlm.nih.gov/pubmed/26582537 http://dx.doi.org/10.1186/s12915-015-0204-7 |