Gray-bellied Rice Rat vs Ruff

Nephelomys moerex compared with Calidris pugnax

Key Differences

• Gray-bellied Rice Rat is Extinct while Ruff is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Rice Rat	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Scolopacidae
Genus	Nephelomys	Calidris
Species	Nephelomys moerex	Calidris pugnax

Evolutionary Relationship

Gray-bellied Rice Rat and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Rice Rat

EX — Extinct

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Rice Rat	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Rice Rat

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.