Brown dipper puffing up and balancing on one leg to conserve body warmth, green background

asian dipper dipper pallass dipper cinclus pallasii perching bird avian plumage c p pallasii head birdwatching terrestrial songbird palearctic habitat species ornithology subspecies wildlife distribution animal one leg chocolatebrown brown puffing closeup nature conserve balancing feather natural carnivore freshwater cute animals environment outdoor streambank body warmth ecosystem wild biology thrushlike background puff up green clear aquatic mountains