I was disappointed that this article didn't include a definite scientific opinio... | Hacker News

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		thekevan on Feb 26, 2015 \| parent \| context \| favorite \| on: A girl who gets gifts from birds I was disappointed that this article didn't include a definite scientific opinion on whether the crows saw this as an exchange for food, or if for some reason they bring objects to a feeding area.

JoeAltmaier on Feb 26, 2015 [–]

crows leave gifts for one another. This may be some variant of that, triggered by the food?

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