Philippine mouse-deer vs Ruff

Tragulus nigricans compared with Calidris pugnax

Key Differences

• Philippine mouse-deer is Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Philippine mouse-deer	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Charadriiformes (Charadriiformes)
Family	Tragulidae	Scolopacidae
Genus	Tragulus	Calidris
Species	Tragulus nigricans	Calidris pugnax

Evolutionary Relationship

Philippine mouse-deer and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Philippine mouse-deer

EN — Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Philippine mouse-deer	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Philippine mouse-deer

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.