Photo by @BrianSkerry A pod of Narwhals, rest on the surface in the waters of the high arctic off Canada’s Navy Board Inlet. Narwhals are called the ‘unicorn whale’ due to their tusk, which is actually a canine tooth that protrudes from the animal’s lip. Male narwhal tusks can grow to lengths of nearly nine feet. Coverage from an upcoming story in @natgeo about climate change in the arctic and the effect on wildlife and culture. For more ocean animal pics follow @BrianSkerry @thephotosociety @natgeocreative #arctic #explore #underwater #nature #narwhal #pristineseas #OceanWildTour #whales #climatechange #marinemammals by natgeo

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