Facts about Narwhal

1. 07

   Narwhals consume approximately 100 pounds of fish, squid, and shrimp annually, making them specialized feeders in the nutrient-poor Arctic ecosystem.

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2. 06

   Narwhals possess a specialized countershading pattern with darker skin on their backs and lighter bellies, which darkens significantly with age until older males appear almost completely black.

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3. 05

   Narwhals can dive to depths exceeding 5,000 feet and remain submerged for up to 25 minutes while hunting for fish, squid, and shrimp in Arctic waters.

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4. 04

   A narwhal's heart weighs approximately 1 kilogram and can slow from 10-14 beats per minute during dives to conserve oxygen in the deep Arctic Ocean.

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5. 03

   Male narwhals produce clicks and knocks through specialized nasal structures to echolocate prey and navigate beneath Arctic sea ice in near-total darkness.

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6. 02

   Arctic narwhals migrate approximately 12,400 miles annually between summer feeding grounds in Canadian waters and winter breeding areas near Greenland.

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7. 01

   The narwhal's elongated tusk can grow up to 10 feet long and contains approximately 10 million sensory nerve endings.

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