Ansorge's free-tailed bat vs Eurasian Tree Sparrow

Chaerephon ansorgei compared with Passer montanus

Key Differences

• Ansorge's free-tailed bat is Least Concern while Eurasian Tree Sparrow is Endangered.

Taxonomic Classification

Rank	Ansorge's free-tailed bat	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	Molossidae	Passeridae
Genus	Chaerephon	Passer
Species	Chaerephon ansorgei	Passer montanus

Evolutionary Relationship

Ansorge's free-tailed bat and Eurasian Tree Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ansorge's free-tailed bat

LC — Least Concern

Eurasian Tree Sparrow

EN — Endangered

Physical Characteristics

Attribute	Ansorge's free-tailed bat	Eurasian Tree Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ansorge's free-tailed bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Ansorge's free-tailed bat

The Ansorge's free-tailed bat (Chaerephon ansorgei) is a species in the genus Chaerephon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.