Little Black Serotine vs Perija Thistletail

Eptesicus andinus compared with Asthenes perijana

Key Differences

• Little Black Serotine is Least Concern while Perija Thistletail is Endangered.

Taxonomic Classification

Rank	Little Black Serotine	Perija Thistletail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Furnariidae
Genus	Eptesicus	Asthenes
Species	Eptesicus andinus	Asthenes perijana

Evolutionary Relationship

Little Black Serotine and Perija Thistletail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Little Black Serotine

LC — Least Concern

Perija Thistletail

EN — Endangered

Physical Characteristics

Attribute	Little Black Serotine	Perija Thistletail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela