Pearled treerunner
The pearled treerunner (Margarornis squamiger) is a species of bird in the family Furnariidae.
Pearled treerunner | |
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Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Order: | Passeriformes |
Family: | Furnariidae |
Genus: | Margarornis |
Species: | M. squamiger |
Binomial name | |
Margarornis squamiger (d'Orbigny & Lafresnaye, 1838) | |
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It is found in Argentina, Bolivia, Colombia, Ecuador, Peru, and Venezuela.[2] This songbird is an insectivore found in subtropical or tropical moist montane forests. Three subspecies of pearled treerunner are recognized:[3]
- Margarornis squamiger perlatus (Lesson, 1844) – Northern Pearled Treerunner. Found in the Sierra de Perijá and the Andes of Western Venezuela, Colombia, Ecuador, and Northern Peru.
- Margarornis squamiger peruvianus (Cory, 1913). Founded in the Andes of Northern and Central Peru.
- Margarornis squamiger squamiger (d’Orbigny & Lafresnaye, 1838) – Southern Pearled Treerunner. Found in the Andes of Southern Peru and Bolivia, with a sight record in Northwestern Argentina.

Pearled treerunner in Yanacocha Ecuador
References
- BirdLife International (2016). "Margarornis squamiger". IUCN Red List of Threatened Species. 2016: e.T22702729A93888058. doi:10.2305/IUCN.UK.2016-3.RLTS.T22702729A93888058.en. Retrieved 13 November 2021.
- "Margarornis squamiger (Orbigny & Lafresnaye, 1838)". www.gbif.org. Retrieved 2020-05-01.
- "Pearled Treerunner (Margarornis squamiger)". Handbook of the Birds of the World: Alive. Retrieved 2020-05-01.
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