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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Artiodactyla (偶蹄目)	Charadriiformes (チドリ目)
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. (脊索動物)

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）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。