Delicate Pygmy Rice Rat vs Lesser Smoothcap

Oligoryzomys delicatus compared with Atrichum angustatum

Key Differences

• Delicate Pygmy Rice Rat is Data Deficient while Lesser Smoothcap is Vulnerable.

Taxonomic Classification

Rank	Delicate Pygmy Rice Rat	Lesser Smoothcap
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Bryophyta
Class	Mammalia (Mammals)	Polytrichopsida (Polytrichopsida)
Order	Rodentia (Rodents)	Polytrichales (Polytrichales)
Family	Cricetidae	Polytrichaceae
Genus	Oligoryzomys	Atrichum
Species	Oligoryzomys delicatus	Atrichum angustatum

Conservation Status

Delicate Pygmy Rice Rat

DD — Data Deficient

Lesser Smoothcap

VU — Vulnerable

Physical Characteristics

Attribute	Delicate Pygmy Rice Rat	Lesser Smoothcap
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delicate Pygmy Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.