Large Cordillera Shrew Mouse vs Ruff

Archboldomys maximus compared with Calidris pugnax

Key Differences

• Large Cordillera Shrew Mouse is Data Deficient while Ruff is Least Concern.

Taxonomic Classification

Rank	Large Cordillera Shrew Mouse	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	Archboldomys	Calidris
Species	Archboldomys maximus	Calidris pugnax

Evolutionary Relationship

Large Cordillera Shrew Mouse and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Large Cordillera Shrew Mouse

DD — Data Deficient

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Large Cordillera Shrew Mouse	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large Cordillera Shrew Mouse

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.