ostra común vs Oso Polar

Ostrea edulis compared with Ursus maritimus

Key Differences

• ostra común is Near Threatened while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	ostra común	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (moluscos)	Chordata (cordados)
Class	Bivalvia (Bivalvia)	Mammalia (mamíferos)
Order	Ostreida (Ostreida)	Carnivora (carnívoros)
Family	Ostreidae	Ursidae (Bears)
Genus	Ostrea	Ursus (Bears)
Species	Ostrea edulis	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

ostra común

NT — Near Threatened

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

ostra común

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 6 distinct biome types spanning the Afrotropic and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Mauritius, Namibia), Asia (Israel), Europe (9 countries), North America (Canada, Mexico, United States), and Oceania and the Pacific (Australia, Fiji, Tonga). 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.

ostra común

La ostra plana europea (Ostrea edulis) está clasificada como Casi Amenazada (NT) en la Lista Roja de la UICN. Cercana a calificar como amenazada, con poblaciones que pueden volverse vulnerables sin medidas de conservación.

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