Oso Polar vs Raya

Ursus maritimus compared with Bathyraja schroederi

Key Differences

  • Oso Polar is Vulnerable while Raya is Least Concern.

Taxonomic Classification

Rank Oso Polar Raya
Kingdom same Animalia (Animals) Animalia (Animals)
Phylum same Chordata (cordados) Chordata (cordados)
Class Mammalia (mamíferos) Elasmobranchii
Order Carnivora (carnívoros) Rajiformes (Rajiformes)
Family Ursidae (Bears) Arhynchobatidae
Genus Ursus (Bears) Bathyraja
Species Ursus maritimus Bathyraja schroederi

Evolutionary Relationship

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

Conservation Status

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Raya

LC — Least Concern

Physical Characteristics

Attribute Oso Polar Raya
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.

Raya

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

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.

Raya

No description available.

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