Delicate Pygmy Rice Rat vs Spotted Barbtail

Oligoryzomys delicatus compared with Premnoplex brunnescens

Key Differences

• Delicate Pygmy Rice Rat is Data Deficient while Spotted Barbtail is Least Concern.

Taxonomic Classification

Rank	Delicate Pygmy Rice Rat	Spotted Barbtail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Furnariidae
Genus	Oligoryzomys	Premnoplex
Species	Oligoryzomys delicatus	Premnoplex brunnescens

Evolutionary Relationship

Delicate Pygmy Rice Rat and Spotted Barbtail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Delicate Pygmy Rice Rat

DD — Data Deficient

Spotted Barbtail

LC — Least Concern

Physical Characteristics

Attribute	Delicate Pygmy Rice Rat	Spotted Barbtail
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.

Spotted Barbtail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Spotted Barbtail

Spotted Barbtail (Premnoplex brunnescens) 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 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador