Polynesian rat vs rough corn bedstraw, corn cleavers

Rattus exulans compared with Galium tricornutum

Key Differences

Polynesian rat is Least Concern while rough corn bedstraw, corn cleavers is Critically Endangered.

Taxonomic Classification

Rank	Polynesian rat	rough corn bedstraw, corn cleavers
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Gentianales (Gentianales)
Family	Muridae (Mice & Rats)	Rubiaceae
Genus	Rattus	Galium
Species	Rattus exulans	Galium tricornutum

Conservation Status

Polynesian rat

LC — Least Concern

rough corn bedstraw, corn cleavers

CR — Critically Endangered

Physical Characteristics

Attribute	Polynesian rat	rough corn bedstraw, corn cleavers
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).

rough corn bedstraw, corn cleavers

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and temperate broadleaf and mixed forests, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan, Qatar), Europe (18 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Brazil, Chile). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.