Caspian Shrew vs Ruff

Crocidura caspica compared with Calidris pugnax

Key Differences

• Caspian Shrew is Data Deficient while Ruff is Least Concern.

Taxonomic Classification

Rank	Caspian Shrew	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Soricomorpha (Soricomorpha)	Charadriiformes (Charadriiformes)
Family	Soricidae	Scolopacidae
Genus	Crocidura	Calidris
Species	Crocidura caspica	Calidris pugnax

Evolutionary Relationship

Caspian Shrew and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caspian Shrew

DD — Data Deficient

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Caspian Shrew	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caspian Shrew

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).

Caspian Shrew

The Caspian Shrew (Crocidura caspica) is a species in the genus Crocidura. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.