Gray-footed Spiny-rat vs Ruff

Proechimys poliopus compared with Calidris pugnax

Key Differences

• Gray-footed Spiny-rat is Vulnerable while Ruff is Least Concern.

Taxonomic Classification

Rank	Gray-footed Spiny-rat	Ruff
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Rodentia (грызуны)	Charadriiformes (ржанкообразные)
Family	Echimyidae	Scolopacidae
Genus	Proechimys	Calidris
Species	Proechimys poliopus	Calidris pugnax

Evolutionary Relationship

Gray-footed Spiny-rat and Ruff share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Gray-footed Spiny-rat	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. 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) 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.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela