Couchgrass vs Polynesian rat

Elymus repens compared with Rattus exulans

Taxonomic Classification

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

Conservation Status

Couchgrass

LC — Least Concern

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Couchgrass	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Couchgrass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and temperate coniferous forests, among 5 distinct biome types spanning the Australasia and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Egypt, South Africa), Asia (Iran, North Korea), Europe (4 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Papua New Guinea), and South America (Argentina, Brazil, Chile).

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).