Jim,
Grackles are pretty clever and may get into acorns in a number of ways:
pecking or dropping from height. Birds, particularly those in the Corvidae
Family (jays, crows and ravens) are very bright. A good video seen here:
https://www.youtube.com/watch?v=I8w34QnU1sY
Its a bit long but interesting. Side note, the man giving the lecture
lived down the street from me when we were kids.
Charlie
On Thu, Feb 21, 2019 at 1:29 PM Jim Nichols <jhnichols@xxxxxxxxxxxxx> wrote:
> Grackles arrive and depart quickly, as a flock or wave. With a
> distinctive eye and a fierce stare, they show many different
> expressions. But, I still haven't figured out how he is going to crack
> that acorn.
>
> http://www.gallery.leica-users.org/v/OldNick/20190220-P2207660-2.JPG.html
>
> --
> Jim Nichols
> Tullahoma, TN USA
>
> --
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