Maranon Spinetail vs Rufous Spinetail

Synallaxis maranonica compared with Synallaxis unirufa

Key Differences

• Maranon Spinetail is Critically Endangered while Rufous Spinetail is Least Concern.

Taxonomic Classification

Rank	Maranon Spinetail	Rufous Spinetail
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Aves (chim)	Aves (chim)
Order same	Passeriformes (bộ Sẻ)	Passeriformes (bộ Sẻ)
Family same	Furnariidae	Furnariidae
Genus same	Synallaxis	Synallaxis
Species	Synallaxis maranonica	Synallaxis unirufa

Evolutionary Relationship

Maranon Spinetail and Rufous Spinetail share a common ancestor at the Genus level: Synallaxis.

Conservation Status

Maranon Spinetail

CR — Critically Endangered

Rufous Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Maranon Spinetail	Rufous Spinetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Maranon Spinetail

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Ecuador and Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Rufous Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Rufous Spinetail

Rufous Spinetail (Synallaxis unirufa) 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 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway