Masafuera rayadito

Masafuera rayadito
Masafuera rayadito
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Passeriformes
Family:Furnariidae
Genus:Aphrastura
Species: A. masafuerae
Binomial name
Aphrastura masafuerae
(Philippi & Landbeck, 1866)

The Masafuera rayadito (Aphrastura masafuerae) is a rare bird endemic to Alejandro Selkirk Island (Isla Más Afuera, Outermost Island) in the Juan Fernández Islands. The species is a member of the ovenbird family and only one of two species in the rayadito genus. The species' natural habitat is humid montane scrub, dominated by tree ferns (Dicksonia externa) and ferns (Lophosoria quadripinnata) between 800–1300 m above sea level (though they will descend lower during the austral winter).

Masafuera rayaditos travel in pairs while feeding on arthropods; feeding occurs in the wood understory and occasionally on the ground in the leaf-litter. Nesting occurs at high altitudes (above 1200 m), in small natural crevices in rocks.

The Masafuera rayadito is a critically endangered species. The species once occurred on Surveys of the species in the 1980s found between 500-1000 birds but by 1992 that had dropped to 200 and by 2002 only 140. The species is threatened by introduced species, particularly goats which trample and degrade habitat, but also probably rats and feral cats.

References

  1. ↑ BirdLife International (2012). "Aphrastura masafuerae". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
  • Remsen, V. (2003) Family Furnariidae (Ovenbirds). in del Hoyo J., Elliott A. & Christie D.A. (2003) Handbook of the Birds of the World. Volume 8. Broadbills to Tapaculos Lynx Edicions, Barcelona ISBN 84-87334-50-4
  • Gonzalez J. (2014). Phylogenetic position of the most endangered Chilean bird: the Masafuera Rayadito (Aphrastura masafuerae; Furnariidae). Tropical Conservation Science. 7:677-689.
  • Hahn, I et al. (2004) "Nest sites and breeding ecology of the Másafuera Rayadito ( Aphrastura masafuerae) on Alejandro Selkirk Island, Chile" Journal of Ornithology 145(2):93-97
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