If they visited my area of North Cal. the Crows and the Bluejays would probably wage battle against the Parrots for territory. I’ve seen a small flock (murder?) of Crows chasing a Sun Conure down the highway, into a park.
—” the Crows and the Bluejays would probably wage battle against the Parrots”
A friend that had hunted crows could expound on how smart they are.
He claimed you could walk in the woods unarmed and pass through the thick of them but not with a shotgun.
Methinks the crows would muscle them out.