Plain-crowned Spinetail vs Slaty Spinetail

Synallaxis gujanensis compared with Synallaxis brachyura

Taxonomic Classification

Rank	Plain-crowned Spinetail	Slaty 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 gujanensis	Synallaxis brachyura

Evolutionary Relationship

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

Conservation Status

Plain-crowned Spinetail

LC — Least Concern

Slaty Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Plain-crowned Spinetail	Slaty Spinetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Plain-crowned Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Slaty Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Slaty Spinetail

Slaty Spinetail (Synallaxis brachyura) 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