Star-chested Treerunner
VU

Star-chested Treerunner

Margarornis stellatus

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Star-chested_treerunner

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

The Star-chested Treerunner faces severe pressure from deforestation and habitat fragmentation across its Andean cloud forest range. Mining activities and agricultural expansion have eliminated significant portions of its specialized montane forest habitat, while climate change is causing upslope shifts in suitable temperature and humidity conditions. The species' restricted range and specific habitat requirements make it particularly vulnerable to these ongoing pressures.

Threat summary

Habitat

The Star-chested Treerunner inhabits humid montane cloud forests and elfin woodlands at elevations between 1,800-3,200 meters in the Andes. It prefers dense, moss-covered forests with abundant epiphytes where it forages along tree trunks and branches in the understory and mid-canopy levels.

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Frequently asked questions

Why is Star-chested Treerunner classified as Vulnerable?
Star-chested Treerunner is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The Star-chested Treerunner faces severe pressure from deforestation and habitat fragmentation across its Andean cloud forest range. Mining activities and agricultural expansion have eliminated significant portions of its specialized montane forest habitat, while climate change is causing upslope shifts in suitable temperature and humidity conditions. The species' restricted range and specific habitat requirements make it particularly vulnerable to these ongoing pressures.
Where does Star-chested Treerunner live?
Star-chested Treerunner occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Star-chested Treerunner?
The main threats to Star-chested Treerunner are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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