Fulvous-dotted Treerunner / Star-chested Treerunner vs Pearled Treerunner

Margarornis stellatus compared with Margarornis squamiger

Key Differences

• Fulvous-dotted Treerunner / Star-chested Treerunner is Near Threatened while Pearled Treerunner is Least Concern.

Taxonomic Classification

Rank	Fulvous-dotted Treerunner / Star-chested Treerunner	Pearled Treerunner
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class same	Aves (पक्षी)	Aves (पक्षी)
Order same	Passeriformes (पासरीफ़ोर्मीज़)	Passeriformes (पासरीफ़ोर्मीज़)
Family same	Furnariidae	Furnariidae
Genus same	Margarornis	Margarornis
Species	Margarornis stellatus	Margarornis squamiger

Evolutionary Relationship

Fulvous-dotted Treerunner / Star-chested Treerunner and Pearled Treerunner share a common ancestor at the Genus level: Margarornis.

Conservation Status

Fulvous-dotted Treerunner / Star-chested Treerunner

NT — Near Threatened

Pearled Treerunner

LC — Least Concern

Physical Characteristics

Attribute	Fulvous-dotted Treerunner / Star-chested Treerunner	Pearled Treerunner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fulvous-dotted Treerunner / Star-chested Treerunner

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Pearled Treerunner

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Pearled Treerunner

Pearled Treerunner (Margarornis squamiger) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway