Five-toed Pygmy Jerboa vs Ruff

Cardiocranius paradoxus compared with Calidris pugnax

Key Differences

• Five-toed Pygmy Jerboa is Data Deficient while Ruff is Least Concern.

Taxonomic Classification

Rank	Five-toed Pygmy Jerboa	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Dipodidae	Scolopacidae
Genus	Cardiocranius	Calidris
Species	Cardiocranius paradoxus	Calidris pugnax

Evolutionary Relationship

Five-toed Pygmy Jerboa and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Five-toed Pygmy Jerboa

DD — Data Deficient

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Five-toed Pygmy Jerboa	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Five-toed Pygmy Jerboa

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).

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.