Nelson s Antelope Squirrel vs Niceforo Maria’s Oldfield Mouse

Ammospermophilus nelsoni compared with Thomasomys nicefori

Key Differences

• Nelson s Antelope Squirrel is Endangered while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Nelson s Antelope Squirrel	Niceforo Maria’s Oldfield Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Sciuridae (Squirrels)	Cricetidae
Genus	Ammospermophilus	Thomasomys
Species	Ammospermophilus nelsoni	Thomasomys nicefori

Evolutionary Relationship

Nelson s Antelope Squirrel and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Nelson s Antelope Squirrel

EN — Endangered

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Nelson s Antelope Squirrel	Niceforo Maria’s Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nelson s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.