Preliminary observations of tool-processing behaviour in Hawaiian crows Corvus hawaiiensis
Very few animal species habitually make and use foraging tools. We recently discovered that the Hawaiian crow is a highly skilled, natural tool user. Most captive adults in our experiment spontaneously used sticks to access out-of-reach food from a range of extraction tasks, exhibiting a surprising...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis Group
2018-07-01
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| Series: | Communicative & Integrative Biology |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/19420889.2018.1509637 |