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Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior ...

Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, ...

Have you ever seen a group of narwhals gather, such as they are in the above video? These unusual aquatic mammals are marked by a distinctive tusk, and are often claimed as the origin for unicorns, ...

Narwhals use their tusks to bat around fish in first documented case of narwhal play. Researchers have long debated what narwhals’ tusks are for, with some arguing that the long, spiralled tooth ...