Hudson s Thomaomys vs Ruff

Thomasomys hudsoni compared with Calidris pugnax

Key Differences

• Hudson s Thomaomys is Vulnerable while Ruff is Least Concern.

Taxonomic Classification

Rank	Hudson s Thomaomys	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	Rodentia (ネズミ目)	Charadriiformes (チドリ目)
Family	Cricetidae	Scolopacidae
Genus	Thomasomys	Calidris
Species	Thomasomys hudsoni	Calidris pugnax

Evolutionary Relationship

Hudson s Thomaomys and Ruff share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Hudson s Thomaomys

VU — Vulnerable

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Hudson s Thomaomys	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hudson s Thomaomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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。