It's an attempt at intimidation. It might clear other birds from the feeder, or drive off something scary, or even build up the Jay's nerve to approach something.
On Wed, Oct 2, 2019, 2:54 PM David Heath <drheath82...> wrote:
> I just had a Steller's Jay off my back deck making repeated attempts at > a Red-tailed Hawk call. The first couple of attempts were almost > passable, but the quality deteriorated quickly into an otherwise > unidentifiable croak. > > David > Cedar Mill, WashCo > > POST: Send your post to <obol...> > UNSUBSCRIBE: //www.freelists.org/list/obol > OBOL archives: www.freelists.org/archive/obol > Contact moderator: <obol-moderators...> > >