IUCN threat status:

Least Concern (LC)


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Tool use

Tool use in New Caledonian crows has been extensively studied in both the wild and in captivity since the 1990's. Hunt (1996) reported that wild New Caledonian crows manufacture and use two kinds of tools for capturing prey. They cut out probes with a stepped edge from the pandanus plant, and fashion twigs into hooks, in each case using these tools to retrieve insect grubs from inaccessible holes or crevices.

Weir et al. (2002) report that a single, captive female individual repeatedly bent wire to create a hooked tool and then used it to obtain food. She and a male had been exposed to pre-bent hooks, but the male did not bend any hooks. Wimpenny et al. (2009) demonstrated that 4 out of 7 captive crows were able to choose and use three provided tools in the correct sequence in order to obtain meat.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Parr, Cyndy

Source: Corvid Corroborree


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