Gray Seal

The gray seal is a true seal belonging to the Phocidae family, with the scientific name Halichoerus grypus. Its genus name actually translates to "hooked-nose sea pig," referring to its distinctive facial structure. They are notably different from sea lions because they lack external ear flaps.

Gray seals are large marine mammals that primarily inhabit the coastlines of the North Atlantic Ocean. You can find significant populations on both sides of the Atlantic, notably around the coasts of the United Kingdom, Canada, and the Nordic countries. They tend to favor cold, rocky coastal waters and islands for breeding.

As carnivorous predators, gray seals primarily feed on a variety of fish and crustaceans found in the North Atlantic. Their diet commonly includes species like cod, herring, and flatfish. Their significant size allows them to consume several kilograms of fish in a single day.

Gray seals are notable for their massive size and significant sexual dimorphism. Adult males can grow up to 10 feet long and weigh over 600 pounds. Because of this impressive bulk, they are one of the largest true seal species and are a frequent subject of study for marine biologists.