two long-tailed jaegers stercorarius longicaudus perched on the tundra

animal archipelago arctic aves avian background behavior biology bird birding birdwatching change climate close closeup coast cold conservation detail eco edge environment exotic fauna field food global habitats jaegers long longicaudus longtailed natural nature northern norway ocean off outdoors outside perched portrait spitsbergen stercorarius survival svalbard tailed tundra two warming wild wildlife