Calderon Gris vs Obyknovennaja Poljovka

Grampus griseus compared with Microtus arvalis

Key Differences

• Calderon Gris is Least Concern while Obyknovennaja Poljovka is Near Threatened.

Taxonomic Classification

Rank	Calderon Gris	Obyknovennaja Poljovka
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order	Cetacea (Whales & Dolphins)	Rodentia (грызуны)
Family	Delphinidae (Oceanic Dolphins)	Cricetidae
Genus	Grampus	Microtus
Species	Grampus griseus	Microtus arvalis

Evolutionary Relationship

Calderon Gris and Obyknovennaja Poljovka share a common ancestor at the Class level: Mammalia. (млекопитающие)

Conservation Status

Calderon Gris

LC — Least Concern

Obyknovennaja Poljovka

NT — Near Threatened

Physical Characteristics

Attribute	Calderon Gris	Obyknovennaja Poljovka
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Calderon Gris

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Obyknovennaja Poljovka

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.

Calderon Gris

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.

Obyknovennaja Poljovka

common vole (Microtus arvalis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden