Chang's Stout Newt vs Polynesian rat

Pachytriton changi compared with Rattus exulans

Key Differences

• Chang's Stout Newt is Endangered while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Chang's Stout Newt	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Rodentia (Rodents)
Family	Salamandridae	Muridae (Mice & Rats)
Genus	Pachytriton	Rattus
Species	Pachytriton changi	Rattus exulans

Evolutionary Relationship

Chang's Stout Newt and Polynesian rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chang's Stout Newt

EN — Endangered

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Chang's Stout Newt	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chang's Stout Newt

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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).

Chang's Stout Newt

The Chang's Stout Newt (Pachytriton changi) is a species in the genus Pachytriton. It is currently classified as Endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.