Long-tailed Weasel vs Bely Medved

Mustela frenata compared with Ursus maritimus

Key Differences

Long-tailed Weasel is Least Concern while Bely Medved is Vulnerable.

Taxonomic Classification

Rank	Long-tailed Weasel	Bely Medved
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order same	Carnivora (хищные)	Carnivora (хищные)
Family	Mustelidae (Weasels & Otters)	Ursidae (Bears)
Genus	Mustela	Ursus (Bears)
Species	Mustela frenata	Ursus maritimus

Evolutionary Relationship

Long-tailed Weasel and Bely Medved share a common ancestor at the Order level: Carnivora. (хищные)

Просмотреть Order: Carnivora

Conservation Status

Long-tailed Weasel

LC — Least Concern

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Long-tailed Weasel	Bely Medved
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Long-tailed Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, United States, and Venezuela.

Bely Medved

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.

Long-tailed Weasel

No description available.

Bely Medved

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.