This rail is known from New Georgia in the Solomon Islands. Its 1991 description called it flightless or weak-flying and also reported local accounts from four neighboring islands; those reports are not equivalent to specimen records. The paper used the genus combination Gallirallus.
The type specimen has nearly uniform chestnut-brown head and back, an unmarked back, fewer pale wing marks and bars than the related G. philippensis, and a broken breast band. The comparison centers on a single described specimen.
The 1991 paper characterized this island rail as flightless or weak-flying. Much of the information about it came from interviews in 1974 and 1976 plus one specimen, so its behavior and ecology remain incompletely documented.
An extinction-risk assessment has not been added yet.