Rice, Nathan H.; Martínez-Meyer, Enrique & Peterson, A. Townsend (2003): Ecological niche differentiation in the Aphelocoma jays: a phylogenetic perspective. Biological Journal of the Linnean Society80(3): 369–383. COI:10.1046/j.1095-8312.2003.00242.xPDF plena tekstoArkivigite je 2007-02-21 per la retarkivo Wayback Machine
doi.org
dx.doi.org
Rice, Nathan H.; Martínez-Meyer, Enrique & Peterson, A. Townsend (2003): Ecological niche differentiation in the Aphelocoma jays: a phylogenetic perspective. Biological Journal of the Linnean Society80(3): 369–383. COI:10.1046/j.1095-8312.2003.00242.xPDF plena tekstoArkivigite je 2007-02-21 per la retarkivo Wayback Machine
nrm.se
Ericson, Per G. P.; Jansén, Anna-Lee; Johansson, Ulf S. & Ekman, Jan (2005): Inter-generic relationships of the crows, jays, magpies and allied groups (Aves: Corvidae) based on nucleotide sequence data. Journal of Avian Biology36: 222-234. PDF plena tekstoArkivigite je 2017-08-10 per la retarkivo Wayback Machine
unm.edu
elibrary.unm.edu
Emslie, Steven D. (1996): A fossil Scrub-Jay supports a recent systematic decision. Condor98(4): 675-680. PDF plena tekstoArkivigite je 2007-02-21 per la retarkivo Wayback Machine
web.archive.org
Ericson, Per G. P.; Jansén, Anna-Lee; Johansson, Ulf S. & Ekman, Jan (2005): Inter-generic relationships of the crows, jays, magpies and allied groups (Aves: Corvidae) based on nucleotide sequence data. Journal of Avian Biology36: 222-234. PDF plena tekstoArkivigite je 2017-08-10 per la retarkivo Wayback Machine
Emslie, Steven D. (1996): A fossil Scrub-Jay supports a recent systematic decision. Condor98(4): 675-680. PDF plena tekstoArkivigite je 2007-02-21 per la retarkivo Wayback Machine
Rice, Nathan H.; Martínez-Meyer, Enrique & Peterson, A. Townsend (2003): Ecological niche differentiation in the Aphelocoma jays: a phylogenetic perspective. Biological Journal of the Linnean Society80(3): 369–383. COI:10.1046/j.1095-8312.2003.00242.xPDF plena tekstoArkivigite je 2007-02-21 per la retarkivo Wayback Machine