Eurasian Tree Sparrow vs Pichincha Thomasomys

Passer montanus compared with Thomasomys vulcani

Key Differences

• Eurasian Tree Sparrow is Endangered while Pichincha Thomasomys is Least Concern.

Taxonomic Classification

Rank	Eurasian Tree Sparrow	Pichincha Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Rodentia (Rodents)
Family	Passeridae	Cricetidae
Genus	Passer	Thomasomys
Species	Passer montanus	Thomasomys vulcani

Evolutionary Relationship

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

Conservation Status

Eurasian Tree Sparrow

EN — Endangered

Pichincha Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Eurasian Tree Sparrow	Pichincha Thomasomys
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.

Pichincha Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.