Niceforo Maria’s Oldfield Mouse vs Olivaceous Piculet

Thomasomys nicefori compared with Picumnus olivaceus

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	Olivaceous Piculet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Piciformes (Piciformes)
Family	Cricetidae	Picidae
Genus	Thomasomys	Picumnus
Species	Thomasomys nicefori	Picumnus olivaceus

Evolutionary Relationship

Niceforo Maria’s Oldfield Mouse and Olivaceous Piculet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Olivaceous Piculet

LC — Least Concern

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	Olivaceous Piculet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Olivaceous Piculet

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Olivaceous Piculet

Olivaceous Piculet (Picumnus olivaceus) 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:

🇨🇴 Colombia