灰海豹, or gray seal, is a marine mammal found primarily in the North Atlantic Ocean. They are known for their distinctive gray fur and can grow up to 2.5 meters in length. These seals are social animals, often seen in large groups on rocky shores or sandy beaches. Gray seals primarily feed on fish and squid, using their keen eyesight and whiskers to hunt. They are known to dive deep, reaching depths of over 200 meters in search of food. Their populations are monitored, and they are considered a species of least concern by conservation organizations.