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15. Ellef Ringnes Island -

Ellef Ringnes Island is located in Nunavut, Canada, and is part of the Sverdrup Islands. First discovered in 1901, the island is 4,361 sq mi (11,295 km²).

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14. October Revolution Island -

Located in the Severnaya Zemlya group in Russia, half of it is under glaciers. The island is estimated at 5,470 sq mi (14,170 km²).

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14. October Revolution Island -

The island was named after the October Revolution, also known as the Bolshevik Revolution, after which the Russian Empire became the Soviet Union.

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13. Nordaustlandet -

A member of the archipelago of Svalbard, Norway, this island is mostly covered in ice caps, except for the north where walruses and reindeer live.

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13. Nordaustlandet -

Nordaustlandet also has an area with sedimentary rocks, including limestone and dolomite. The island is 5,586 sq mi (14,467 km²).

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12. Thurston Island -

Discovered from the air in 1940, Thurston Island is the third-largest island in the world. At 6,062 sq mi (15,700 km²) in area, it has numerous glaciers and peninsulas.

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12. Thurston Island -

Thurston Island was named after a sponsor of the Antarctic Expedition, W. Harris Thurston.

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11. Prince Patrick Island -

Prince Patrick Island is one of the least accessible territories in Canada. Its area is 6,119 sq mi (15,848 km²).

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11. Prince Patrick Island -

Discovered in 1953 by George Mecham and Francis Leopold McClintock, it was later named after the Governor General of Canada from 1911 to 1926, Prince Arthur William Patrick.

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10. Bathurst Island -

Located in the Canadian Arctic Archipelago, Bathurst Island was previously inhabited with indigenous people. The area of the island is estimated at 6,194 sq mi (16,042 km²).

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9. Kotelny Island -

Kotelny Island is located in the Russian Arctic, between the Laptev Sea and the East Siberian Sea.

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9. Kotelny Island -

Discovered in 1773 by Ivan Lyakhov, the total area of Kotelny Island is 8,944 sq mi (23,165 km²).

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8. Somerset Island -

Part of the Canadian territory of Nunavut, Somerset Island was inhabited by the Thule people around 1000 CE.

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8. Somerset Island -

The 46th largest island in the world, Somerset Island has an area of 9,570 sq mi (24,786 km²).

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7. Prince of Wales Island -

One of the larger members of the Canadian Arctic Archipelago, Prince of Wales Island has an area of 12,872 sq mi (33,339 km²).

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7. Prince of Wales Island -

The island was discovered in 1851, and named after the eldest son of Queen Victoria, Albert Edward, who eventually became King Edward VII.

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6. Melville Island -

With an area of 16,274 sq mi (42,149 km²), Melville Island is the 33rd largest island in the world and the sixth-largest uninhabited island.

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6. Melville Island -

While there's almost no vegetation on the island, it hosts various animals, such as Arctic wolves, Arctic foxes, polar bears, and ermines.

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5. Axel Heiberg Island -

Axel Heiberg Island is located in Nunavut, Canada. It's the 32nd largest island in the world and Canada's seventh-largest island.

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5. Axel Heiberg Island -

Named after Norwegian diplomat and financier Axel Heiberg, the island has an area of 16,671 sq mi (43,178 km²).

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4. Berkner Island -

Discovered by members of the United States-International Geophysical Year party from Ellsworth Station during the 1957–1958 season, Berkner Island was named after American physicist Lloyd Berkner. The island has an area of 17,000 sq mi (44,000 km²).

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3. Severny Island -

Severny Island is the 30th-largest and the third-largest uninhabited island in the world. It has an area of 18,882 sq mi (48,904 km²).

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3. Severny Island -

Located in the Novaya Zemlya archipelago, the island is part of the Russian Arctic National Park.

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2. Alexander Island -

The largest island of Antarctica, Alexander Island was discovered in 1821 by a Russian expedition. It was named after the reigning tsar of the time, Alexander I of Russia. 

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2. Alexander Island -

Consisting of mountain ranges and hills, Alexander Island has an area of 18,950 sq mi (49,070 km²).

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1. Devon Island -

Located in Nunavut, Canada, Devon Island is the largest uninhabited island in the world and the sixth-largest island in Canada.

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1. Devon Island -

With an area of 21,331 sq (55,247 km2), Devon Island is only slightly smaller than Croatia!

Sources: (Mental Floss) (A-Z Animals)

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