Authors: Klicka, J Zink, RM Barlow, JC McGillivray, WB Doyle, TJ

Citation: J. Klicka et al., The taxonomic rank of Spizella taverneri: A response to Mayr and Johnson, CONDOR, 103(2), 2001, pp. 420-422

Authors: Klicka, J Zink, RM Barlow, JC McGillivray, WB Doyle, TJ

Citation: J. Klicka et al., Evidence supporting the recent origin and species status of the TimberlineSparrow, CONDOR, 101(3), 1999, pp. 577-588