Polynesian rat vs Seaside barley

Rattus exulans compared with Hordeum marinum

Key Differences

• Polynesian rat is Least Concern while Seaside barley is Extinct.

Taxonomic Classification

Rank	Polynesian rat	Seaside barley
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Poales (Grasses)
Family	Muridae (Mice & Rats)	Poaceae (Grass Family)
Genus	Rattus	Hordeum
Species	Rattus exulans	Hordeum marinum

Conservation Status

Polynesian rat

LC — Least Concern

Seaside barley

EX — Extinct

Physical Characteristics

Attribute	Polynesian rat	Seaside barley
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Seaside barley

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Asia (Japan), Europe (15 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile).

Shared Countries

Both species can be found in 4 countries:

🇦🇺 Australia 🇨🇱 Chile 🇯🇵 Japan 🇺🇸 United States