Ka cika wannan jumla: Douglas Mawson, shugaban da kuma mai tsara Australasian Antarctic Expedition, ya yanke shawarar ya ɗauki karnukan Greenland hamsin tare da shi; ya gaskata cewa wannan adadin zai isa sosai don tafiye-tafiye na bincike da zai yi a cikin shekara da ya yi shirin yi a Antarctica. Mawson ya fi son karnuka fiye da dawakai saboda, duk da cewa za su iya jan sama da nauyin jikinsu kaɗan, ana iya ƙara abincin su da nama daga dabbobin Antarctica kuma idan ya cancanta daga wasu karnuka, don haka ba sa buƙatar shigo da abinci mai yawa wanda dawakai ke buƙata don ganin sun wuce ta hanyar balaguro. Mawson ya yi sha'awar sha'awar karnuka a kan
"Nimrod" Tafiya lokacin da ya raka Ernest Shackleton zuwa Antarctica. Dukansu Shackleton da Robert Falcon Scott suna da shakka game da fa'idar karnuka akan ponies. Amundsen da Arctic majagaba Fridtjof Nansen sun kasance masu ba da shawara sosai kuma suna tunanin masu binciken Burtaniya sun fahimci yadda za su yi amfani da karnuka a yankunan polar; Amundsen ya nuna nasarorin da suka samu a Arewacin Hemisphere da kuma sauƙin sauƙin kula da karnuka idan aka kwatanta da dawakai, musamman a yankunan da ke da yawa inda sau da yawa ana iya dawo da kare da ya faɗi amma doki da ya faɗi ya ɓace. Yaren mutanen Norway sun kasance masu amfani sosai a yadda suke kusanci karnuka duk da haka; kodayake suna iya nuna soyayya ga dabbobin, ba a yi tunani sosai game da rayuwarsu ba lokacin da suka wuce amfanin su. Scott ya yi amfani da karnuka a kan "Binciken" Bincikensa kuma ya ji daɗi lokacin da aka tilasta masa ya kashe su duka a lokacin da yake tafiya a kudancin kudancin. Duk da haka, halinsa game da karnuka yayi kama da na Amundsen da Mawson: