Cool. I think I have scrub jays nesting in the tree behind my place. Their nest is very twiggy also. I haven't seen scrub jays since I lived along the coast.
Oh, I hope you have a scrub jay family moving in! Although, you might want to wear a helmet when you go outside around their nest. Mine know me and let me come near their babies, but Precocious’ parents were like kamikaze fighters, dive bombing anything that came near “their” lemon tree. My mom went out and bought a huge brimmed hat to wear outside. It didn’t help much.