The Voyage of the Arctic Tern instructs his three friends remain with the Arctic Tern. Then he dons his scuba gear, plunges into the water, and swims toward the ship. A large octopus with fiery eyes guards the treasure chest on the deck. Bruno wrestles with the octopus, kills it, and touches the silver coins in the chest. Immediately, Morgan's pirate ship crumbles to dust. Then Bruno, the treasure chest, and the Arctic Tern vanish. Chris, Steve, and Adrian no longer remember how they each got safely home after this, nor can they remember anything about Bruno, the Arctic Tern, or the treasure. However, Adrian remains
Roseate tern Roseate tern The roseate tern ("Sterna dougallii") is a tern in the family Laridae. The genus name "Sterna" is derived from Old English "stearn", "tern", and the specific "dougallii" refers to Scottish physician and collector Dr Peter McDougall (1777–1814). "Roseate" refers to the bird's pink breast in breeding plumage. English naturalist George Montagu described the roseate tern in 1813. Genetically, it is most closely related to the white-fronted tern ("S. striata"), with their common ancestor a sister lineage to the black-naped tern ("S. sumatrana"). This species has a number of geographical races, differing mainly in bill colour and minor plumage