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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Soricomorpha (トガリネズミ目)	Charadriiformes (チドリ目)
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. (脊索動物)

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）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。