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Re: Interesting crow behavior!
It may not be primarily insectivory. This type of behavior is used to get
the formic acid that the ants emit as a delousing agent.
John Bois wrote:
> At this very instant, outside my window, a crow is wallowing in the short
> grass, dragging its body across the lawn so that its breast is contacting
> the ground. At first I thought it was trying to cool itself off after a
> sprinkle of rain that just fell. But this is what it is doing: there is
> an ant's nest just there. It is dragging its body over the nest so that
> ants will crawl or get stuck in its feathers. Then it stands up straight
> and pecks the ants off its belly!! Tool use, indeed. Inventiveness.
> Insectivory. Stone the crows!