Lesser Smoothcap vs Napo Spiny-rat

Atrichum angustatum compared with Proechimys quadruplicatus

Key Differences

• Lesser Smoothcap is Vulnerable while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Lesser Smoothcap	Napo Spiny-rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Chordata (Chordates)
Class	Polytrichopsida (Polytrichopsida)	Mammalia (Mammals)
Order	Polytrichales (Polytrichales)	Rodentia (Rodents)
Family	Polytrichaceae	Echimyidae
Genus	Atrichum	Proechimys
Species	Atrichum angustatum	Proechimys quadruplicatus

Conservation Status

Lesser Smoothcap

VU — Vulnerable

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Lesser Smoothcap	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Smoothcap

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.