Family Rails, Gallinules, Coots (Rallidae)

Vulnerable

Inaccessible Rail (Atlantisia rogersi)


Taxonomy

French: Râle atlantis German: Atlantisralle Spanish: Rasconcillo de Tristán de Acuña
Taxonomy:

Atlantisia rogersi

Lowe

, 1923,

Inaccessible Island, Tristan da Cunha

.

Monotypic.

Distribution:

Inaccessible I, in Tristan da Cunha Group.

Descriptive notes

13–15·5 cm; male 35–49 (40·5)g, female 34–42 (37)g. Smallest flightless bird in the world. Plumage decomposed and hair-like; adults easily... read more

Voice

Highly vocal. Pair members give loud trill when meeting and in threat display to other adults.... read more

Habitat

Occurs in all native vegetation types at all altitudes. Population density highest in coastal... read more

Food and feeding

Earthworms, amphipods, isopods, mites, centipedes, insects (weevils, beetles, flies, moths, caterpillars); also berries of Empetrum... read more

Breeding

Lays Oct–Jan. Monogamous; pair-bond permanent; apparently has loose, flexible territorial system. Nest built on ground, at base of... read more

Movements

None.

Status and conservation

VULNERABLE. Restricted-range species: present in Tristan Islands EBA. Abundant within its very limited 14 km2 range and in no immediate danger on this uninhabited island.... read more

Recommended citation

Taylor, B. & Sharpe, C.J. (2018). Inaccessible Rail (Atlantisia rogersi). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/53636 on 16 December 2018).