Maranon Spinetail vs Plain-crowned Spinetail

Synallaxis maranonica compared with Synallaxis gujanensis

Key Differences

• Maranon Spinetail is Critically Endangered while Plain-crowned Spinetail is Least Concern.

Taxonomic Classification

Rank	Maranon Spinetail	Plain-crowned Spinetail
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Passeriformes (นกเกาะคอน)	Passeriformes (นกเกาะคอน)
Family same	Furnariidae	Furnariidae
Genus same	Synallaxis	Synallaxis
Species	Synallaxis maranonica	Synallaxis gujanensis

Evolutionary Relationship

Maranon Spinetail and Plain-crowned Spinetail share a common ancestor at the Genus level: Synallaxis.

Conservation Status

Maranon Spinetail

CR — Critically Endangered

Plain-crowned Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Maranon Spinetail	Plain-crowned 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.

Plain-crowned Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway