Masafuera Rayadito

The Masafuera rayadito (Aphrastura masafuerae) is a Critically Endangered species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is endemic to Alejandro Selkirk Island (Isla Más Afuera, Outermost Island) in the Juan Fernández Islands of Chile. == Taxonomy and systematics == The Masafuera rayadito is monotypic. It shares genus Aphrastura with the thorn-tailed rayadito (M. spinicauda) of the South American mainland. They are thought to have diverged in the Pleistocene. == Description == The Masafuera rayadito is 14 to 15 cm (5.5 to 5.9 in) long. The sexes have the same plumage. Adults have a poorly defined buff-brown supercilium on a dusky face. Their forehead is whitish with narrow rufous streaks and their crown is dark dusky brown. Their back is dull brown and their rump rufous-brown. Their wing coverts are blackish with tawny tips and their flight feathers are blackish with dull rufous bases. Their tail is mostly rufous with blackish bases on all but the central pair of feathers; the ends of the feathers lack barbs, giving a spiny appearance. Their throat is whitish, their breast and belly dull buffy gray-brown with a rufescent tinge, and their flanks and undertail coverts rufescent. Their iris…