Rock Squirrel Spermophilus variegatus
Roper Lake State Park, Graham County, Arizona, July 2012.


Round-tailed Ground Squirrel Spermophilus tereticaudus
Sabino Canyon, Pima County, Arizona, May 2010.


Spotted Ground Squirrel Spermophilus spilosoma
Granite Gap, Hidalgo County, New Mexico, June 2011.


Striped Skunk Mephitis mephitis
Chiricahua Mountains, Cochise County, Arizona, December 2008.


Uinta Ground Squirrel Spermophilus armatus
Grand Teton National Park, Wyoming, July 2014.


Western Pipistrelle Pipistrellus hesperus
Granite Gap, Hidalgo County, New Mexico, September 2012.


White-headed Capuchin Cebus capucinus
Puerto Jimenez, Puntarenas, Costa Rica, April 2009.


White-tailed Deer Odocoileus virginianus
Chiricahua Mountains, Cochise County, Arizona, October 2008.


Yellow Baboon Papio cynocephala
Tsavo East National Park, Kenya, October 1981.


Yellow-bellied Marmot Marmota flaviventris
Capitol Reef National Park, Wayne County, Utah, May 2010.