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In page Greenland:

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The terrestrial vertebrates of Greenland include the Greenland dog, which was introduced by the Inuit, as well as European-introduced species such as Greenlandic sheep, goats, cattle, reindeer, horse, chicken and sheepdog, all descendants of animals imported by Europeans.[citation needed] Marine mammals include the hooded seal (Cystophora cristata) as well as the grey seal (Halichoerus grypus).[3] Whales frequently pass very close to Greenland's shores in the late summer and early autumn. Whale species include the beluga whale, blue whale, Greenland whale, fin whale, humpback whale, minke whale, narwhal, pilot whale, sperm whale.[4]