Harmless Serotine vs Olive-backed Tailorbird

Eptesicus innoxius compared with Orthotomus sepium

Key Differences

• Harmless Serotine is Near Threatened while Olive-backed Tailorbird is Least Concern.

Taxonomic Classification

Rank	Harmless Serotine	Olive-backed Tailorbird
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Cisticolidae
Genus	Eptesicus	Orthotomus
Species	Eptesicus innoxius	Orthotomus sepium

Evolutionary Relationship

Harmless Serotine and Olive-backed Tailorbird share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Harmless Serotine

NT — Near Threatened

Olive-backed Tailorbird

LC — Least Concern

Physical Characteristics

Attribute	Harmless Serotine	Olive-backed Tailorbird
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.

Olive-backed Tailorbird

Habitat

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

Range

Found in Norway.