Eurasian Tree Sparrow vs Plain-backed Sparrow

Passer montanus compared with Passer flaveolus

Key Differences

• Eurasian Tree Sparrow is Endangered while Plain-backed Sparrow is Least Concern.

Taxonomic Classification

Rank	Eurasian Tree Sparrow	Plain-backed Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Passeriformes (Songbirds)	Passeriformes (Songbirds)
Family same	Passeridae	Passeridae
Genus same	Passer	Passer
Species	Passer montanus	Passer flaveolus

Evolutionary Relationship

Eurasian Tree Sparrow and Plain-backed Sparrow share a common ancestor at the Genus level: Passer.

Conservation Status

Eurasian Tree Sparrow

EN — Endangered

Plain-backed Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Eurasian Tree Sparrow	Plain-backed Sparrow
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.

Plain-backed Sparrow

Habitat

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

Range

Found in Norway.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway