Tahiti rail plantations. Its diet appears to have consisted mainly of insects and occasionally copra (coconut meat). The extinction of the Tahiti rail was probably due to predation by humans and introduced cats and rats. It appears to have become extinct some time after 1844 on Tahiti, and perhaps as late as the 1930s on Mehetia. The Tahiti rail was found on the South Pacific island of Tahiti (part of the Society Islands archipelago) by naturalists who were part of the British explorer James Cook's second voyage around the world (1772–1775). The bird was illustrated by Georg Forster, who accompanied his father,
Tahiti Lords Commissioners of the Admiralty to observe the transit of Venus across the sun, a phenomenon that would be visible from Tahiti on 3 June 1769. He arrived in Tahiti's Matavai Bay, commanding on 12 April 1769. On 14 April, Cook met with Tutaha and Tepau. On 15 April, Cook picked the site for a fortified camp at Point Venus along with Banks, Parkinson, Daniel Solander, to protect Charles Green's observatory. The length of stay enabled them to undertake for the first time real ethnographic and scientific observations of the island. Assisted by the botanist Joseph Banks, and by the