Pacific Spiny-rat vs Peale’s Free-tailed Bat

Proechimys decumanus compared with Nyctinomops aurispinosus

Key Differences

• Pacific Spiny-rat is Near Threatened while Peale’s Free-tailed Bat is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Peale’s Free-tailed Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Chiroptera (Bats)
Family	Echimyidae	Molossidae
Genus	Proechimys	Nyctinomops
Species	Proechimys decumanus	Nyctinomops aurispinosus

Evolutionary Relationship

Pacific Spiny-rat and Peale’s Free-tailed Bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Peale’s Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Peale’s Free-tailed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Peale’s Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.