Big Dipper Firefly vs Bely Medved

Photinus pyralis compared with Ursus maritimus

Key Differences

• Big Dipper Firefly is Least Concern while Bely Medved is Vulnerable.

Taxonomic Classification

Rank	Big Dipper Firefly	Bely Medved
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Arthropoda (членистоногие)	Chordata (хордовые)
Class	Insecta (насекомые)	Mammalia (млекопитающие)
Order	Coleoptera (жесткокрылые)	Carnivora (хищные)
Family	Lampyridae	Ursidae (Bears)
Genus	Photinus	Ursus (Bears)
Species	Photinus pyralis	Ursus maritimus

Evolutionary Relationship

Big Dipper Firefly and Bely Medved share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Big Dipper Firefly

LC — Least Concern

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Big Dipper Firefly	Bely Medved
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Big Dipper Firefly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada 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.

Big Dipper Firefly

The Big Dipper Firefly (Photinus pyralis) is a species in the genus Photinus. 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.