Polar bear vs Swamp Orb Mussel

Ursus maritimus compared with Sphaerium nucleus

Key Differences

Polar bear is Vulnerable while Swamp Orb Mussel is Least Concern.

Taxonomic Classification

Rank	Polar bear	Swamp Orb Mussel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (cordados)	Mollusca (Moluscos)
Class	Mammalia (mamíferos)	Bivalvia (Bivalvia)
Order	Carnivora (carnívoros)	Sphaeriida (Sphaeriida)
Family	Ursidae (Bears)	Sphaeriidae
Genus	Ursus (Bears)	Sphaerium
Species	Ursus maritimus	Sphaerium nucleus

Evolutionary Relationship

Polar bear and Swamp Orb Mussel share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Swamp Orb Mussel

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	Swamp Orb Mussel
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Polar bear

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.

Swamp Orb Mussel

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and Ukraine.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.