American bisons near hot springs in winter, Yellowstone USA

action actions adult adults america american bison american bison (bison bison) american bisons american west americans bisons artiodactyla atmosphere atmosphere (ambiance) atmospheres (ambiance) backlighting backlightings backlit biodiversities biodiversity biodiversity management biodiversity managements biological diversity biological diversity managements bovidae cattle (bovidae) cattles (bovidae) chill chilly cold as ice colds continent continental area count counting description descriptions earth's crust eat eaten eating ecosystem ecosystems enumeration enumerations environment environment management environment protection environment protections environmental managements environments even toed ungulate far west february feed feeding gas (matter) geyser geysers graze grazed grazing group groups hot source hot sources icy image and subject individual individuals iucn iucn red list of threatened species iucn status landmass landmasses large prairie large prairies light effect light effects lighting effect lighting effects localisation localization location low formation low formations low risk (iucn) lr mammal matter (substance) matters (substance) meteorological phenomena meteorological phenomenon mineral matter mineral matters month of year months of year mountain states mountain west national park national parks natural area natural areas nature nature management near threatened species (iucn) nt new world north america precipitation 2 seasons sensitive natural areas skies sky smoke smokes snow snow covered snowy solid precipitation species stage of development surrounding surroundings swallow swallowed swallowing temperate season temperate seasons texture textures time scale time scales usa uicn unesco's world heritage list unesco's world heritage sites ungulate united states united states of america usa water vapour water vapours western united states wild animal wild animals wild fauna wild faunae winter world heritage site yellowstone (national park)