brackish cockle vs Oso Polar

Cerastoderma glaucum compared with Ursus maritimus

Key Differences

brackish cockle is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	brackish cockle	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (moluscos)	Chordata (cordados)
Class	Bivalvia (Bivalvia)	Mammalia (mamíferos)
Order	Cardiida (Cardiida)	Carnivora (carnívoros)
Family	Cardiidae	Ursidae (Bears)
Genus	Cerastoderma	Ursus (Bears)
Species	Cerastoderma glaucum	Ursus maritimus

Evolutionary Relationship

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

Vista Kingdom: Animalia

Conservation Status

brackish cockle

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

brackish cockle

Habitat

Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.

Range

Distributed across Azerbaijan, Belgium, Denmark, Norway, and Sweden.

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.

brackish cockle

The Brackish cockle (Cerastoderma glaucum) is a species in the genus Cerastoderma. It is currently classified as Least Concern on the IUCN Red List. Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.

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.