Masafuera Rayadito

Aphrastura masafuerae

The Masafuera Rayadito (Aphrastura masafuerae) is a small, highly distinctive passerine bird belonging to the ovenbird family Furnariidae, renowned for its extreme island endemism. Measuring approximately 14-15 cm in length and weighing around 12-16 grams, this species exhibits a striking rufous-chestnut plumage on its underparts and rump, contrasting with a dark, streaked back and a dark cap adorned by a pale supercilium. Its slender, slightly decurved bill is perfectly adapted for probing. ...

Habitat

This species inhabits high-altitude, dense shrublands and fern forests, primarily in areas dominated by *Dicksonia externa* tree ferns and various shrub species, typically above 600 meters elevation.

Diet

Primarily insectivorous, feeding on a variety of invertebrates including insects (beetles, larvae, flies) and spiders, which they glean and probe from vegetation.

Behavior

Masafuera Rayaditos are diurnal birds, observed foraging actively throughout the day, typically in pairs or small family groups. They are highly agile and acrobatic foragers, meticulously gleaning insects and spiders from tree fern fronds, mosses, bark crevices, and dead vegetation. Their foragin...

Range

The Masafuera Rayadito is endemic exclusively to Alejandro Selkirk Island (formerly known as Más Afuera), the westernmost island of the Juan Fernández Archipelago, located approximately 800 km off the coast of mainland Chile. This non-migratory species is a permanent resident of the island's high...

Conservation Status

Critically Endangered

Fun Facts

- The Masafuera Rayadito is one of the world's most range-restricted bird species, found only on Alejandro Selkirk (Masafuera) Island. - Its population is estimated to be fewer than 150 individuals, making it critically endangered and facing an extremely high risk of extinction. - Despite its nam...

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