black slug vs Oso Polar

Milax nigricans compared with Ursus maritimus

Key Differences

• black slug is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	black slug	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (moluscos)	Chordata (cordados)
Class	Gastropoda (gastrópodos)	Mammalia (mamíferos)
Order	Stylommatophora (Stylommatophora)	Carnivora (carnívoros)
Family	Milacidae	Ursidae (Bears)
Genus	Milax	Ursus (Bears)
Species	Milax nigricans	Ursus maritimus

Evolutionary Relationship

black slug and Oso Polar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

black slug

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	black slug	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

black slug

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (8 countries).

Oso Polar

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

black slug

The Black slug (Milax nigricans) is a species in the genus Milax. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.