Delaney, K. S. and R. K. Wayne. 2005. Adaptive units for conservation: population distinction and historic extinctions in the Island Scrub-Jay. Conservation Biology 19:523-533.
Paul Collins, personal communication.
Curry, Robert L. and Kathleen Semple Delaney. 2002. Island Scrub-Jay (Aphelocoma insularis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/713doi:10.2173/bna.713