arran brown vs Oso Polar

Erebia ligea compared with Ursus maritimus

Key Differences

• arran brown is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	arran brown	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópodos)	Chordata (cordados)
Class	Insecta (insecto)	Mammalia (mamíferos)
Order	Lepidoptera (Butterflies & Moths)	Carnivora (carnívoros)
Family	Nymphalidae (Brush-footed Butterflies)	Ursidae (Bears)
Genus	Erebia	Ursus (Bears)
Species	Erebia ligea	Ursus maritimus

Evolutionary Relationship

arran brown and Oso Polar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arran brown

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

arran brown

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (33 countries).

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.

arran brown

La mariposa de Arrán (Erebia ligea) es una mariposa de tamaño mediano con alas marrón oscuro y una franja naranja en el margen, distribuida principalmente por Europa y el norte de Asia. Su estado de conservación es de preocupación menor (LC) y habita en prados alpinos y claros de bosque.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway