Birds Oregon Department of Fish & Wildlife
Crows, Jays and Magpies Oregon Department of Fish & Wildlife
Notes from the Field: The Jays — Central Oregon LandWatch
SkyRose Images - Gray Jay bird eating out of my hand at Trillium Lake
ODFW Recreation Report: Northwest Zone
Jays, Crows, and Magpies — Sacramento Audubon Society
Crows Are as Intelligent as a Seven-Year-Old Child
Similar Species to Black-billed Magpie, All About Birds, Cornell Lab of Ornithology
ODFW Recreation Report: Northwest Zone