What mammals live in the North Sea?

Various mammals live in the North Sea, including the harbor porpoise, seal, grey seal, minke whale, dolphin, and pygmy sperm whale. These animals are adapted to life in the sea and play an important role in the North Sea ecosystem. The harbor porpoise, also known as the sea marten, is the only native whale in the North Sea. It mainly feeds on fish and is threatened by pollution and ship traffic. The seal, also referred to as the grey seal, is another common mammal in the North Sea. It lives on the coasts and feeds on fish and crustaceans. The minke whale is a larger whale occasionally spotted in the North Sea. It is a predator that feeds on fish and squid. Dolphins can also be found in the North Sea and are known for their playful behavior. The pygmy sperm whale, also known as the pilot whale, is another whale occasionally seen in the North Sea. These mammals contribute to the diversity of marine life in the North Sea and should be protected to ensure their survival.