Inaccessible Island Rail

Laterallus rogersi

The Inaccessible Island Rail (Laterallus rogersi) is a true ornithological marvel, holding the distinction of being the world's smallest extant flightless bird. Measuring approximately 13-15.5 cm (5.1-6.1 inches) in length and weighing a mere 30-49 grams, this tiny rail sports a largely dark olive-brown to sooty black plumage, contrasting sharply with distinctive rufous (rust-colored) flanks that serve as a key field mark. Its short, stout bill and dark legs are well-suited for its ground-dwe...

Habitat

Found exclusively on Inaccessible Island, this rail inhabits dense tussock grassland, fern bush, and moist mossy areas, from sea level up to the island's central plateau.

Diet

An opportunistic omnivore, its diet consists mainly of small invertebrates such as insects, earthworms, amphipods, and isopods, supplemented with seeds and fruits, particularly berries from the native *Phylica arborea*.

Behavior

Active throughout the day with peaks during dawn and dusk, the Inaccessible Island Rail is generally elusive, darting through dense vegetation, but can display remarkable curiosity towards humans, likely due to a historical lack of terrestrial predators. It forages primarily on the ground, gleani...

Range

The Inaccessible Island Rail is strictly endemic to Inaccessible Island, a small volcanic island forming part of the Tristan da Cunha archipelago, a British Overseas Territory in the South Atlantic Ocean. This species is entirely resident, exhibiting no migratory behavior or vagrancy, and is rest...

Conservation Status

Vulnerable

Fun Facts

- The Inaccessible Island Rail is the smallest extant flightless bird in the world, measuring just 13-15.5 cm long. - It is named after Reverend S. Rogers, a naval chaplain who collected the first specimens in 1923. - This bird is found nowhere else on Earth, being endemic to the tiny, remote Ina...

Back to Encyclopedia