Amazonian Oryzomys vs Java Sparrow

Hylaeamys yunganus compared with Lonchura oryzivora

Key Differences

• Amazonian Oryzomys is Least Concern while Java Sparrow is Vulnerable.

Taxonomic Classification

Rank	Amazonian Oryzomys	Java Sparrow
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Aves (طيور)
Order	Rodentia (قوارض)	Passeriformes (جواثم)
Family	Cricetidae	Estrildidae
Genus	Hylaeamys	Lonchura
Species	Hylaeamys yunganus	Lonchura oryzivora

Evolutionary Relationship

Amazonian Oryzomys and Java Sparrow share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Amazonian Oryzomys

LC — Least Concern

Java Sparrow

VU — Vulnerable

Physical Characteristics

Attribute	Amazonian Oryzomys	Java Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Oryzomys

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.

Amazonian Oryzomys

The Amazonian Oryzomys (Hylaeamys yunganus) is a species in the genus Hylaeamys. 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