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海狮和海狗都属于耳海豹类,它们大多生活在大陆或者岛屿的西海岸。这里的海域非常深,它们能够找到丰富的食物。科学家估计世界上大约有500万只海狮和海狗。
Sea lions and seals are ear seals, and most of them live on the mainland or on the west coast of the island. The sea area here is very deep, they can find a wealth of food. Scientists estimate that there are approximately 5 million sea lions and fur seals in the world.