Olive-gray Thomasomys vs Ruff

Thomasomys cinereus compared with Calidris pugnax

Taxonomic Classification

Rank	Olive-gray Thomasomys	Ruff
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Scolopacidae
Genus	Thomasomys	Calidris
Species	Thomasomys cinereus	Calidris pugnax

Evolutionary Relationship

Olive-gray Thomasomys and Ruff share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Olive-gray Thomasomys

LC — Least Concern

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Olive-gray Thomasomys	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.