Lesser Pencil-tailed Tree Mouse vs Slaty Spinetail

Chiropodomys pusillus compared with Synallaxis brachyura

Key Differences

• Lesser Pencil-tailed Tree Mouse is Data Deficient while Slaty Spinetail is Least Concern.

Taxonomic Classification

Rank	Lesser Pencil-tailed Tree Mouse	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	Muridae (Mice & Rats)	Furnariidae
Genus	Chiropodomys	Synallaxis
Species	Chiropodomys pusillus	Synallaxis brachyura

Evolutionary Relationship

Lesser Pencil-tailed Tree Mouse and Slaty Spinetail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Pencil-tailed Tree Mouse

DD — Data Deficient

Slaty Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Lesser Pencil-tailed Tree Mouse	Slaty Spinetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Pencil-tailed Tree Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.