The Socorro Wren (Troglodytes sissonii) is a species of bird in the Troglodytidae family. It is endemic to Socorro Island, Mexico. It was formerly placed in Thryomanes but was moved to Troglodytes considering "manners, song, plumage, etc." and by biogeography and mtDNA NADH dehydrogenase subunit 2 sequence analysis.
Its natural habitats is the tropical arid Croton masonii–prickly pear[Note 1] shrubland and occasionally the more humid forest. It appears to prefer this habitat, limiting its presence above 600 m (2000 ft) although it does range over the whole island.
During visits in 1953, the birds were observed to be out of breeding season in mid-March; territorial males were observed in mid-late November.
The main limiting factors are by habitat destruction due to feral sheep and predation by feral cats. In 1953, it was noted to be unwary. However, the IUCN does not yet consider it threatened, because especially compared to the larger birds of Socorro, it has fared not too badly and remains among the most common local landbirds.
- BirdLife International (2012). "Troglodytes sissonii". IUCN Red List of Threatened Species. Version 2012.1. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/details/106006939. Retrieved 16 July 2012.
- Howell, Steven N.G. & Webb, Sophie (1995): A Guide to the Birds of Mexico and Northern Central America. Oxford University Press, Oxford & New York. ISBN 0-19-854012-4
- Martínez Gómez, Juan E.; Barber, Bruian R. & Peterson, A. Townsend (2005): Phylogenetic position and generic placement of the Socorro Wren (Thryomanes sissonii). The Auk 122 (1): 50–56. [English with Spanish abstract] doi:10.1642/0004-8038(2005)122[0050:PPAGPO]2.0.CO;2 PDF fulltext
- Brattstrom, Bayard H. & Howell, Thomas R. (1956): The Birds of the Revilla Gigedo Islands, Mexico. The Condor 58 (2): 107-120. doi:10.2307/1364977 PDF fulltext DjVu fulltext
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