Bidentate Yellow-eared Bat vs Java Sparrow

Vampyriscus bidens compared with Lonchura oryzivora

Key Differences

• Bidentate Yellow-eared Bat is Least Concern while Java Sparrow is Vulnerable.

Taxonomic Classification

Rank	Bidentate Yellow-eared Bat	Java Sparrow
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class	Mammalia (memeliler)	Aves (kuş)
Order	Chiroptera (yarasa)	Passeriformes (Ötücü kuşlar)
Family	Phyllostomidae	Estrildidae
Genus	Vampyriscus	Lonchura
Species	Vampyriscus bidens	Lonchura oryzivora

Evolutionary Relationship

Bidentate Yellow-eared Bat and Java Sparrow share a common ancestor at the Phylum level: Chordata. (Kordalılar)

Conservation Status

Bidentate Yellow-eared Bat

LC — Least Concern

Java Sparrow

VU — Vulnerable

Physical Characteristics

Attribute	Bidentate Yellow-eared Bat	Java Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bidentate Yellow-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Java Sparrow

Habitat

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

Range

Widely distributed across Africa (Tanzania), Asia (Taiwan, Thailand, Vietnam), Europe (5 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Colombia, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Bidentate Yellow-eared Bat

The Bidentate Yellow-eared Bat (Vampyriscus bidens) is a species in the genus Vampyriscus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Java Sparrow

One of the most popular cage birds in East Asia, Java sparrows are striking finches with grey plumage, a bold black head, distinctive white cheek patches, and a bright red bill. Native to Java and Bali in Indonesia, they have been introduced to many parts of Asia, Africa, and the Americas. They inhabit open grasslands, rice fields, and farmland, often becoming pests on rice crops. Listed as Vulnerable in their native range due to severe trapping pressure for the cage bird trade.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela