Black-Based Cluster Fly vs Bely Medved

Pollenia labialis compared with Ursus maritimus

Key Differences

• Black-Based Cluster Fly is Least Concern while Bely Medved is Vulnerable.

Taxonomic Classification

Rank	Black-Based Cluster Fly	Bely Medved
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Arthropoda (членистоногие)	Chordata (хордовые)
Class	Insecta (насекомые)	Mammalia (млекопитающие)
Order	Diptera (двукрылые)	Carnivora (хищные)
Family	Polleniidae	Ursidae (Bears)
Genus	Pollenia	Ursus (Bears)
Species	Pollenia labialis	Ursus maritimus

Evolutionary Relationship

Black-Based Cluster Fly and Bely Medved share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Black-Based Cluster Fly

LC — Least Concern

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black-Based Cluster Fly	Bely Medved
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Black-Based Cluster Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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.

Black-Based Cluster Fly

The Black-Based Cluster Fly (Pollenia labialis) is a species in the genus Pollenia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway