Kon-Tiki expedition in the Kon-Tiki Museum at Bygdøy in Oslo. "Kon-Tiki" had a six-man crew, all of whom were Norwegian except for Bengt Danielsson, a Swede. The expedition also carried a pet parrot named Lorita. The main body of the float was composed of nine balsa tree trunks up to long, in diameter, lashed together with hemp ropes. Cross-pieces of balsa logs long and in diameter were lashed across the logs at intervals to give lateral support. Pine splashboards clad the bow, and lengths of pine thick and wide were wedged between the balsa logs and used as centreboards. The main mast
Thor Heyerdahl also criticised Heyerdahl's theory in his 2009 book "The Wayfinders", which explores the history of Polynesia. Davis says that Heyerdahl "ignored the overwhelming body of linguistic, ethnographic, and ethnobotanical evidence, augmented today by genetic and archaeological data, indicating that he was patently wrong." A 2009 study by Norwegian researcher Erik Thorsby suggested that there was some merit to Heyerdahl's ideas and that, while Polynesia was colonized from Asia, some contact with South America also existed. Some critics suggest, however, that Thorsby's research is inconclusive because his data may have been influenced by recent population contact. However, more recent work indicates