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New Caledonian crows keep ‘valuable’ hooked tools safer than basic non-hooked tools
The temporary storage and re-use of tools can significantly enhance foraging efficiency. New Caledonian crows in one of our study populations use two types of stick tools – hooked and non-hooked – which differ in raw material, manufacture costs, and foraging performance. Using a large sample of wild...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
eLife Sciences Publications, Ltd
2021
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8691834/ https://www.ncbi.nlm.nih.gov/pubmed/34930523 http://dx.doi.org/10.7554/eLife.64829 |