Oso Polar vs Búho nival

Ursus maritimus compared with Bubo scandiacus

Key Differences

• Oso Polar is Vulnerable while Búho nival is Critically Endangered.

Taxonomic Classification

Rank	Oso Polar	Búho nival
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (Birds)
Order	Carnivora (carnívoros)	Strigiformes (búho)
Family	Ursidae (Bears)	Strigidae (True Owls)
Genus	Ursus (Bears)	Bubo (Eagle Owls)
Species	Ursus maritimus	Bubo scandiacus

Evolutionary Relationship

Oso Polar and Búho nival share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Búho nival

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

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.

Búho nival

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Ecuador). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Búho nival

El buho niveo (Bubo scandiacus) esta clasificado como En Peligro Critico (CR) en la Lista Roja de la UICN. Enfrenta un riesgo extremadamente alto de extincion en estado silvestre debido a una severa disminucion poblacional y la perdida de habitat.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway