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Scientists confirm existence of a narwhal-beluga hybrid whale (narluga) through tests on a 30-year-old skull.

The skull was originally found by a hunter in Greenland and stored at the Natural History Museum of Denmark.

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Photo by (Mikkel Høegh Post/Natural History Museum of Denmark)

In a 1993 study, researchers at the Society of Marine Mammalogy thought the skull belonged to a hybrid whale because of its unusual teeth and size.

Narwhals have only one or rarely two long spiraling tusks whereas belugas can have up to 40 pointed teeth in straight rows.

The hybrid skull had a mix of both — a set of long, spiraling and pointy teeth.

It was also larger in size than a narwhal or a beluga skull.

But at the time, lack of DNA knowledge kept the skull’s owner in the dark.

Until Thursday when a new study was published in Scientific Reports that finally uncovered the truth.

The findings proved it belonged to a hybrid offspring with a narwhal for its mother and a beluga for its father.