Harris Antelope Squirrel
Ammos harrisi
Small squirrel with large bushy tail. No stripes on sides of face. Very common esp. on slopes and small mts. More info
Rock Squirrel
Spermophilus variegatus
Medium to large squirrel inhabiting rocky slopes and rarely ascending trees. Uniform brown w/o stripes and large bushy tail. More info
Cliff Chipmonk
Tamias dorsalis
Small, active mammal found on rocky slopes at highest elev. of Sonoran Desert. Stripe on face. Medium bushy tail. More info
Round-tail Ground Squirrel
Spermophilus tereticaudus
Small squirrel of sandy or silty soils that tunnels beneath shrubs. Tail short and not bushy. More info
Whitethroat Woodrat
Neotoma ambigua
Tail with short but definate hairs. Large ears. Creates huge piles of cactus joint and plant parts on bajadas and rocky slopes. Mostly nocturnal. More info
Audubon's Cottontail
Sylvilagus audubonii
Smallish gray-brown rabbit with button tail. Very common especially near human habitations and activities. More info
Black-tailed Jackrabbit
Lepus californicus
Large jackrabbit with posture upright when alarmed. Large ears and black tip to tail. Common near agriculture and flood plains. More info
Peccary; Javelina
Pecari angulatus
Medium-sized mammal with dense fur and pig-like appearance. Pale collar around neck. Moves in groups of several to many. More info
Coyote
Canis latrans
Small version of wolf and dog-like. Very common esp. near agric. fields and near urban areas. More info
Gray Fox
Urocyon cinereoargenteus
Considerably smaller than coyote; large bushy tail makes it look larger. More info
Desert Mule Deer
Odocoileus hemionus
Large ears. Tip of tail black and under-parts of tail white. Males with antlers. More info
Wild Burro
Equus asinus
Smaller than domestic horse and usu. with dark band around neck at shoulders. More info
Bighorn Sheep
Ovis canadensis
Browsing mammals that prefer steep, rugged country. Males with substantial horns. More info