Round brown dipper balancing on one leg to minimize heat loss, resting on a metallic roofing in front of a waterfall, front shot medium close-up

asian dipper resident bird dipper pallass dipper bird avian perching head birdwatching plumage songbird cinclus pallasii ornithology terrestrial c p pallasii palearctic balancing one leg subspecies animal round wildlife species balance closeup chocolatebrown distribution habitat feather carnivore brown stream natural nature environment animals outdoor background biology freshwater thrushlike wild ecosystem heat loss water clear aquatic mountains waterfall