Wolfe, D.H., Patten, M.A., and Pruett, C.L. 2007 Surveys for White-tailed Ptarmigan in the Sangre de Cristo Mountains, New Mexico. 2008 Univeristy of Oklahoma. Bartlesville, OK, USA. 6 p. Supported by the George. M. Sutton Avian Research Center.

• Lagopus leucurus
• white-tailed ptarmigan