Nelson s Antelope Squirrel vs Perija Thistletail

Ammospermophilus nelsoni compared with Asthenes perijana

Taxonomic Classification

Rank	Nelson s Antelope Squirrel	Perija Thistletail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Sciuridae (Squirrels)	Furnariidae
Genus	Ammospermophilus	Asthenes
Species	Ammospermophilus nelsoni	Asthenes perijana

Evolutionary Relationship

Nelson s Antelope Squirrel and Perija Thistletail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Nelson s Antelope Squirrel

EN — Endangered

Perija Thistletail

EN — Endangered

Physical Characteristics

Attribute	Nelson s Antelope Squirrel	Perija Thistletail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nelson s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Perija Thistletail

Habitat

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

Range

Distributed across Colombia, Norway, and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.