Mountain Water Rat vs Ruff

Baiyankamys habbema compared with Calidris pugnax

Key Differences

• Mountain Water Rat is Data Deficient while Ruff is Least Concern.

Taxonomic Classification

Rank	Mountain Water Rat	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Muridae (Mice & Rats)	Scolopacidae
Genus	Baiyankamys	Calidris
Species	Baiyankamys habbema	Calidris pugnax

Evolutionary Relationship

Mountain Water Rat and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Mountain Water Rat

DD — Data Deficient

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Mountain Water Rat	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mountain Water Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Ruff

Ruff (Calidris pugnax) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.