Fierce Orbweaver vs Oso Polar

Araneus saevus compared with Ursus maritimus

Key Differences

• Fierce Orbweaver is Near Threatened while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Fierce Orbweaver	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópodos)	Chordata (cordados)
Class	Arachnida (arácnidos)	Mammalia (mamíferos)
Order	Araneae (araña)	Carnivora (carnívoros)
Family	Araneidae	Ursidae (Bears)
Genus	Araneus	Ursus (Bears)
Species	Araneus saevus	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Fierce Orbweaver

NT — Near Threatened

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Fierce Orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Canada, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

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