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Life Sciences - Veterinary Science - 06.09.2017
Getting hook bending off the hook
Getting hook bending off the hook
The bending of a hook into wire to fish for the handle of a basket by the crow Betty 15 years ago stunned the scientific world. However, the finding was recently relegated as similar behavioural routines were discovered in the natural repertoire of the same species, suggesting the possibility that Betty's tool manufacture was less intelligent than previously believed.

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