nearer to the surface, which causes narwhals to alter their foraging strategies.

Diet

Narwhals have a restricted and specialised diet. Due to the lack of well-developed dentition, narwhals are believed to feed by swimming close to prey and sucking them into the mouth. A study of the stomach contents of 73 narwhals found Arctic cod (Boreogadus saida) to be the most commonly consumed prey, followed by Greenland

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