Oso Polar vs Welch's Money-spider

Ursus maritimus compared with Erigone welchi

Key Differences

Oso Polar is Vulnerable while Welch's Money-spider is Least Concern.

Taxonomic Classification

Rank	Oso Polar	Welch's Money-spider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (cordados)	Arthropoda (artrópodos)
Class	Mammalia (mamíferos)	Arachnida (arácnidos)
Order	Carnivora (carnívoros)	Araneae (araña)
Family	Ursidae (Bears)	Linyphiidae
Genus	Ursus (Bears)	Erigone
Species	Ursus maritimus	Erigone welchi

Evolutionary Relationship

Oso Polar and Welch's Money-spider share a common ancestor at the Kingdom level: Animalia. (Animals)

Vista Kingdom: Animalia

Conservation Status

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Welch's Money-spider

LC — Least Concern

Physical Characteristics

Attribute	Oso Polar	Welch's Money-spider
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.

Welch's Money-spider

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Norway and Sweden.

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.