Twin sister ships National Geographic Sea Bird and National Geographic Sea Lion are tried and true expedition ships that ply the waters of Alaska. With a shallow draft and small size, they can easily reach places inaccessible to larger ships. The ships can accommodates 62 guests in 31 outside cabins. The ships are equipped with tools for exploration that guarantee an in-depth experience in all the places explored, and their open bow is a natural gathering place that accommodates the entire community at once for shared wildlife viewing experiences.