Ceylon Spiny Mouse vs Ruff

Mus fernandoni compared with Calidris pugnax

Key Differences

• Ceylon Spiny Mouse is Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Ceylon Spiny 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	Mus (House Mice)	Calidris
Species	Mus fernandoni	Calidris pugnax

Evolutionary Relationship

Ceylon Spiny Mouse and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ceylon Spiny Mouse

EN — Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Ceylon Spiny Mouse	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ceylon Spiny 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).

Ceylon Spiny Mouse

The Ceylon Spiny Mouse (Mus fernandoni) is a species in the genus Mus. It is currently classified as Endangered on the IUCN Red List.

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.