Thank you all for your likes, comments and acorns!

This year seemed to be a bumper year for acorns. Pin oaks are very common landscape trees around here, although they are often chlorotic in our high pH soils.
Cal, I've never tasted acorns, but I've heard those from "white" oaks (ie white, bur, etc) are a little more palatable than those from "red" oaks ( ie red, pin, scarlet, etc). I think there are some preparation techniques such as leaching the kernels to help remove the tannins and other bitter chemicals.
Elizabeth, yes, I tried to get a cap or two in the photo. Most had already lost their caps. I also like the variability in shell color.
Kristi, Leslie and Fleur, Thanks for tossing acorns at me.

I actually am not sure what to do with acorns except buy some more badges.
Larry, Oaks are a great wildlife tree, aren't they? I understand even foxes eat acorns and other fruit/nuts occasionally.