Pearled Treerunner - BirdForum Opus

Photo © by Gerald Friesen
East Andes slope, Ecuador, April, 2018

Margarornis squamiger

Identification

15–16 cm (6-6¼ in)

• Yellowish-buff supercilium
• Chestnut upperparts
• Cream throat

Distribution

Photo © by Steve Herrmann (Ecuadorrebel)
Milpe Bird Sanctuary, Ecuador - February, 2010

South America: found in Colombia, Venezuela, Ecuador, Peru, Bolivia

Taxonomy

Subspecies

There are 3 subspecies^[1]:

• M. s. perlatus:

• Andes of Colombia to northern Peru and western Venezuela

• M. s. peruvianus:

• Andes of Peru (Cajamarca to Huánuco, Junín and Cuzco)

• M. s. squamiger:

• Andes of south-eastern Peru (Puno) and western Bolivia (La Paz and Cochabamba)

Habitat

Widespread in upper subtropical and temperate forest and woodland on both slopes.

Behaviour

Diet

Their diet consists mostly of arthropods. The occasionally forage alone, but more often in pairs and sometimes groups of up to eight birds.

References

1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
2. Avibase
3. Handbook of the Birds of the World Alive (retrieved June 2018)

• List of references

Recommended Citation

• BirdForum Opus contributors. (2025) Pearled Treerunner. In: BirdForum, the forum for wild birds and birding. Retrieved 17 March 2025 from https://www.birdforum.net/opus/Pearled_Treerunner

External Links

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