Eurasian Tree Sparrow vs Harmless Serotine

Passer montanus compared with Eptesicus innoxius

Key Differences

Eurasian Tree Sparrow is Endangered while Harmless Serotine is Near Threatened.

Taxonomic Classification

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

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Eurasian Tree Sparrow

EN — Endangered

Harmless Serotine

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

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.

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.

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.