Newfoundland wani nau'in kare ne mai suna bayan yankin da waɗannan karnuka suka fara bayyana. Kodayake jinsin yanzu ana la'akari da Kanada, a gaskiya ma, a lokacin bayyanarsa, yankin na Indiya ne, sannan Amurka, da Kanada, a matsayin ƙasa daban, ya bayyana daga baya. A halin yanzu, masu bincike ba za su iya bayyana ainihin yadda aka samar da irin wannan nau'in ba, da kuma karnukan da suka shiga.
Akwai ra'ayoyi da yawa, babu ɗayansu da ke da isassun tabbaci kamar yadda babu shakka. Ka’idar farko ita ce, a wajen karni na 15 zuwa na 16, sakamakon tsallaka nau’o’in karnuka da dama, daga cikinsu, a cewar masu kiwon kare, akwai Pyrenean Shepherds, Mastiffs, da Fotigal Water Dogs, nau’in da muka sani yanzu a matsayin An haifi Newfoundland.