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A comment on Crows possess higher intelligence long thought a primarily human attribute. Parent comment

Re:Crows possess higher intelligence long thought a primaril... by gdy on Thursday September 24, 2020 @07:36PM (#24584938)
Why crows haven't invented stretchers to carry fellow crows to safety? Making a stretcher doesn't look more complicated than building a nest.
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Re:Crows possess higher intelligence long thought a primaril... by withinboredom on Friday September 25, 2020 @07:18AM (#24588637)
A crow can carry about 1.5 lbs in flight. A crow weighs at most 4.5 lbs. Let's assume a stretcher that can carry a crow by more than one crow to weigh another 1-2 lbs. At most, the total payload would be ~5 lbs which requires at least 4 crows. I don't think that kind of coordination is possible with that kind of turbulence in such close quarters.

So why bother?

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