simon.ducatez: Bighorn sheep (Ovis canadensis) male in the Badlands NP, South Dakota
simon.ducatez: Clark's nutcracker (Nucifraga columbiana), Yellowstone NP, Wyoming
simon.ducatez: Western kingbird (Tyrannus verticalis) fledglings, Badlands NP, South Dakota
simon.ducatez: Pronghorn (Antilocapra americana) males, Yellowstone NP, Wyoning
simon.ducatez: Bald eagle (Haliaeetus leucocephalus), Yellowstone NP, Wyoming
simon.ducatez: Short-tailed weasel (Mustela erminea) carrying its young, Beartooth pass, Montana
simon.ducatez: Short-tailed weasel (Mustela erminea) carrying its young, Beartooth pass, Montana
simon.ducatez: American bisons (Bison bison), Badlands NP, South Dakota
simon.ducatez: BIghorn sheep (Ovis canadensis) males, Glacier NP, Montana
simon.ducatez: Bighorn sheep (Ovis canadensis) males, Glacier NP, Montana
simon.ducatez: American dipper (Cinclus mexicanus), Glacier NP, Montana
simon.ducatez: American dipper (Cinclus mexicanus) nest, Glacier NP, Montana
simon.ducatez: Lark Sparrow (Chondestes grammacus), Badlands NP, South Dakota
simon.ducatez: Gray wolf (Canis lupus), Yellowstone NP, Wyoming
simon.ducatez: Red fox (Vulpes vulpes), Grand Teton NP, Wyoming
simon.ducatez: Gray wolf (Canis lupus), Yellowstone NP, Wyoming
simon.ducatez: American dipper (Cinclus mexicanus), Glacier NP, Montana
simon.ducatez: Gray wolf (Canis lupus), Yellowstone NP, Wyoming
simon.ducatez: Mountain goats (Oreamnos americanus), Glacier NP, Montana
simon.ducatez: Mountain goat (Oreamnos americanus), Glacier NP, Montana
simon.ducatez: American dipper (Cinclus mexicanus), Glacier NP, Montana
simon.ducatez: Western tanager (Piranga ludoviciana), juveniles, Somers - Flathead lake, Montana
simon.ducatez: Ruddy duck (Oxyura jamaicensis) male, Flathead Lake, Montana
simon.ducatez: Common loon (Gavia immer), Glacier NP, Montana
simon.ducatez: Black-tailed prairie-dogs (Cynomys ludovicianus), Badlands NP, South Dakota
simon.ducatez: Red fox (Vulpes vulpes) bringing Columbian ground-squirrels (Urocitellus columbianus) to its den, Glacier NP, Montana
simon.ducatez: Coyote (Canis latrans), Yellowstone NP, Wyoming
simon.ducatez: Red fox (Vulpes vulpes) bringing Columbian ground-squirrels (Urocitellus columbianus) to its den, Glacier NP, Montana
simon.ducatez: Moose (Alces alces) male, Grand Teton NP, Wyoming
simon.ducatez: Red-tailed hawk (Buteo jamaicencis) taking off, Montana