Harmless Serotine vs Perija Thistletail

Eptesicus innoxius compared with Asthenes perijana

Key Differences

• Harmless Serotine is Near Threatened while Perija Thistletail is Endangered.

Taxonomic Classification

Rank	Harmless 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 innoxius	Asthenes perijana

Evolutionary Relationship

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

Conservation Status

Harmless Serotine

NT — Near Threatened

Perija Thistletail

EN — Endangered

Physical Characteristics

Attribute	Harmless Serotine	Perija Thistletail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Harmless Serotine

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.

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.