Bluejay family gorges on seeds in back yard
loudmouth raucous bird
descendant of dinosaurs
eats seeds of life feast
If you want to hear a bluejay call here is a link which highlights their main call: Bluejay Call. .
Here is a definition of "raucous": making or constituting a disturbingly harsh & loud noise.
This makes more sense once you listen to the bluejay call.