Bely Medved vs Большеголовая кваква

Ursus maritimus compared with Nycticorax megacephalus

Key Differences

• Bely Medved is Vulnerable while Большеголовая кваква is Extinct.

Taxonomic Classification

Rank	Bely Medved	Большеголовая кваква
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Carnivora (хищные)	Pelecaniformes (пеликанообразные)
Family	Ursidae (Bears)	Ardeidae
Genus	Ursus (Bears)	Nycticorax
Species	Ursus maritimus	Nycticorax megacephalus

Evolutionary Relationship

Bely Medved and Большеголовая кваква share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Большеголовая кваква

EX — Extinct

Physical Characteristics

Attribute	Bely Medved	Большеголовая кваква
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

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.

Большеголовая кваква

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

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.