Given that the Okinawa Rail and the Calayan Rail have only been discovered in the late 20th century and as late as 2004, respectively, it cannot be ruled out that the New Caledonian and Sharpe's Rail may still exist.
Weka, (Gallirallus australis) a flightless bird endemic to New Zealand
The species was named after David Steadman in recognition of his contributions to Pacific paleo-ornithology and the understanding of the radiation of Gallirallus-like rails.