Quote:
Originally Posted by Dalillama
There are certainly birds that drop tortoises, clams, nuts, etc. on rocks to break them open, although I'm not sure how carefully they aim, or the usual prevalence of rocks in areas where it's done. Crows are also known to just bombard ground dwelling animals (and cars) with rocks and sticks, apparently because they think it's a laugh.
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Crows are villains. Much too smart. If eagles can do it (as in the story of Aeschylus) that argues against an IQ-based skill.