Black-spotted Cuscus vs Ruff

Spilocuscus rufoniger compared with Calidris pugnax

Key Differences

• Black-spotted Cuscus is Critically Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Black-spotted Cuscus	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	Diprotodontia (カンガルー目)	Charadriiformes (チドリ目)
Family	Phalangeridae	Scolopacidae
Genus	Spilocuscus	Calidris
Species	Spilocuscus rufoniger	Calidris pugnax

Evolutionary Relationship

Black-spotted Cuscus and Ruff share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Black-spotted Cuscus

CR — Critically Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Black-spotted Cuscus	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-spotted Cuscus

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).

Black-spotted Cuscus

The Black-spotted Cuscus (Spilocuscus rufoniger) is a species in the genus Spilocuscus. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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。