Eastern Pygmy Marmoset vs Peale’s Free-tailed Bat

Cebuella niveiventris compared with Nyctinomops aurispinosus

Key Differences

• Eastern Pygmy Marmoset is Vulnerable while Peale’s Free-tailed Bat is Least Concern.

Taxonomic Classification

Rank	Eastern Pygmy Marmoset	Peale’s Free-tailed Bat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Primates (灵长目)	Chiroptera (翼手目)
Family	Callitrichidae	Molossidae
Genus	Cebuella	Nyctinomops
Species	Cebuella niveiventris	Nyctinomops aurispinosus

Evolutionary Relationship

Eastern Pygmy Marmoset and Peale’s Free-tailed Bat share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Eastern Pygmy Marmoset

VU — Vulnerable

Peale’s Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Eastern Pygmy Marmoset	Peale’s Free-tailed Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Pygmy Marmoset

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Peale’s Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.