Chiriquinan Serotine vs Eurasian Tree Sparrow

Eptesicus chiriquinus compared with Passer montanus

Key Differences

• Chiriquinan Serotine is Least Concern while Eurasian Tree Sparrow is Endangered.

Taxonomic Classification

Rank	Chiriquinan Serotine	Eurasian Tree Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Passeridae
Genus	Eptesicus	Passer
Species	Eptesicus chiriquinus	Passer montanus

Evolutionary Relationship

Chiriquinan Serotine and Eurasian Tree Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chiriquinan Serotine

LC — Least Concern

Eurasian Tree Sparrow

EN — Endangered

Physical Characteristics

Attribute	Chiriquinan Serotine	Eurasian Tree Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chiriquinan Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Eurasian Tree Sparrow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Indonesia, Philippines, Singapore), Europe (7 countries), North America (Canada, United States), and Oceania and the Pacific (Australia, Marshall Islands). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Chiriquinan Serotine

The Chiriquinan Serotine (Eptesicus chiriquinus) is a species in the genus Eptesicus. It is currently classified as Least Concern on the IUCN Red List. Distributed across Colombia, Ecuador, and Venezuela.

Eurasian Tree Sparrow

Eurasian Tree Sparrow (Passer montanus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.