Pacific Spiny-rat vs Slaty Spinetail

Proechimys decumanus compared with Synallaxis brachyura

Key Differences

• Pacific Spiny-rat is Near Threatened while Slaty Spinetail is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Slaty Spinetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Echimyidae	Furnariidae
Genus	Proechimys	Synallaxis
Species	Proechimys decumanus	Synallaxis brachyura

Evolutionary Relationship

Pacific Spiny-rat and Slaty Spinetail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Slaty Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Slaty Spinetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 1 countries:

🇪🇨 Ecuador