Rock Ptarmigan intermediate plumage, Swiss Alps

adult adults afrasia afro eurasia alone alps (range) atmosphere autumn behavior behaviors bird birds continent continental area count counting crumbling crumblings description descriptions earth's crust enumeration enumerations erosion (geology) erosions (geology) eurafrasia eurasia europe fall (season) front shot front shots front sight front sights front view front views gallinacean gallinaceans image and subject individual individuals iucn iucn red list of threatened species iucn status landmass landmasses least concern (iucn) lc least concern species liveries livery living organism living organisms localisation localization location lone lonely low risk (iucn) lr matter (substance) matters (substance) meteorological phenomena meteorological phenomenon mineral matter mineral matters month of year months of year morphologies morphologies (zoology) morphology morphology (zoology) moult moulting october old world one one animal only organism organisms precipitation 2 ptarmigan ptarmigans recording recordings rock (stone) rock fragment rock fragments rock piece rock pieces rock ptarmigan (lagopus muta) rock ptarmigans (lagopus mutus) rocks (stone) rocks fragments rocks pieces seasons shoting shotings single snow snow covered snowy solid precipitation solo species stage of development switzerland talus scree temperate season temperate seasons texture textures time scale time scales uicn valais (canton) wear (geology) wild animal wild animals wild fauna wild faunae winter coat winter coats winter liveries winter livery winter plumage winter plumages wintry coat wintry coats wintry liveries wintry livery wintry plumage wintry plumages world mount and summit world mountain and summit world mountains and summits world mounts and summits