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Context-dependent ‘safekeeping’ of foraging tools in New Caledonian crows
Several animal species use tools for foraging, such as sticks to extract embedded arthropods and honey, or stones to crack open nuts and eggs. While providing access to nutritious foods, these behaviours may incur significant costs, such as the time and energy spent searching for, manufacturing and...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
The Royal Society
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4455803/ https://www.ncbi.nlm.nih.gov/pubmed/25994674 http://dx.doi.org/10.1098/rspb.2015.0278 |