Adult snowy sheathbill (Chionis albus), pair in front of the hut at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

chionis albus pair snowy weather antarctica port lockroy southern ocean polar birds wildlife avian winter scene seabirds hut antarctic landscape snowflakes nature cold climate marine ecology avifauna ornithology birdwatching remote location wildlife conservation coastal habitat frigid environment winter habitat natural behavior biogeography ecology observing wildlife snow covered antarctic research isolated settlement habitat preservation cold weather scientific expedition biodiversity southern hemisphere unique species cold adapted species natural history wildlife interaction seasonal changes ecological study flightless birds habitat interaction fauna animal behavior scenic view wildlife patterns snowy terrain