Harmless Serotine vs Olive-Backed Thrush

Eptesicus innoxius compared with Catharus ustulatus

Key Differences

• Harmless Serotine is Near Threatened while Olive-Backed Thrush is Least Concern.

Taxonomic Classification

Rank	Harmless Serotine	Olive-Backed Thrush
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Turdidae
Genus	Eptesicus	Catharus
Species	Eptesicus innoxius	Catharus ustulatus

Evolutionary Relationship

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

Conservation Status

Harmless Serotine

NT — Near Threatened

Olive-Backed Thrush

LC — Least Concern

Physical Characteristics

Attribute	Harmless Serotine	Olive-Backed Thrush
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 Thrush

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Olive-Backed Thrush

Olive-Backed Thrush (Catharus ustulatus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador