Use the Natl Geographic Sea Bird cruise schedule calendar below to find a Natl Geographic Sea Bird Cruise sailing by destination or departure port. View Cruises by: Destination | Departure Port Search All Cruises OCG Class Expedition Natl Geographic Sea Bird Year Built1982Year Last Refurbished2014Capacity62 passengersDecks3Tonnage100RegistryUSAContact800-397-3348www.expeditions.com