I toss peanuts into my empty yard and bluejays suddenly flock over to eat them. How close do they have to be to sense the peanuts in the yard? - Quora
The Scrub-Jay: In Defense of the Blue Squawker – Nature in Novato
Blue Jay: A New Look at a Common Feeder Bird
Blue Jay: A New Look at a Common Feeder Bird
Wild Birds Unlimited - Cincinnati, Ohio
Reddit, this is my first post. I'd like you to meet my bird-son Oliver. He's a Blue Jay and quite the Angry Bird. : r/pics
All about the Jay - GardenBird
Blue Jays In My Backyard — In My Backyard
Peanuts Are for the Birds