I have seen them do that at my place. Usually their ears are folded back.
I wonder if mine ever think "hey, there's the corn guy. I'll bet I can take him!"
Here's one I'll bet you don't get on a cam. They are feeding, not a BJ. Just had to point that out for some of you!
HEY!!! Not everyone on here has the same I.Q as Riverdude!!!