瑞氏海豚 vs common vole

Grampus griseus compared with Microtus arvalis

Key Differences

• 瑞氏海豚 is Least Concern while common vole is Near Threatened.

Taxonomic Classification

Rank	瑞氏海豚	common vole
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Cetacea (Whales & Dolphins)	Rodentia (啮齿目)
Family	Delphinidae (Oceanic Dolphins)	Cricetidae
Genus	Grampus	Microtus
Species	Grampus griseus	Microtus arvalis

Evolutionary Relationship

瑞氏海豚 and common vole share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

瑞氏海豚

LC — Least Concern

common vole

NT — Near Threatened

Physical Characteristics

Attribute	瑞氏海豚	common vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

瑞氏海豚

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

common vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

瑞氏海豚

The Calderon Gris (Grampus griseus) is a species in the genus Grampus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

common vole

普通田鼠（Microtus arvalis）在IUCN红色名录中被列为近危（NT）。接近受威胁标准，若无保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden