Elling Carlsen Carlsen made his first voyage out of Hammerfest in Finnmark, Norway. In 1859, Carlsen discovered the island group that would later be named Kong Karls Land in the Svalbard archipelago in the Arctic Ocean. Although Carlsen is credited with the finding, the islands may have been first sighted by the whaler Thomas Edge in 1617. In 1863, Carlsen completed the first circumnavigation of Spitsbergen. During a voyage to the Arctic Ocean in 1871, Carlsen discovered the lodge of Willem Barentsz on the north-eastern shore of the archipelago of Novaya Zemlya. This winter camp had been used as shelter by Barentsz
Severnaya Zemlya to a survey of prior observations by De Korte, Volkov, and Gavrilo, thirty-two bird species have been observed on Severnaya Zemlya, 17 of which are known to breed on the islands. Eight species are widespread across the archipelago: five of which are colonial seabirds: little auk ("Alle alle"), black-legged kittiwake ("Rissa tridactyla"), black guillemot ("Cepphus grylle"), ivory gull ("Pagophila eburnea"), and glaucous gull ("Larus hyperboreus"); and three species of tundra bird: the snow bunting ("Plectrophenax nivalis"), purple sandpiper ("Calidris maritima"), and brent goose ("Branta bernicla"). The most common mammal on Severnaya Zemlya is the collared lemming ("Dicrostonyx torquatus"), also known