Polar bear vs white chalice-bubble

Ursus maritimus compared with Cylichna alba

Key Differences

Polar bear is Vulnerable while white chalice-bubble is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	white chalice-bubble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (cordados)	Mollusca (Moluscos)
Class	Mammalia (mamíferos)	Gastropoda (Gastrópodes)
Order	Carnivora (carnívoros)	Cephalaspidea (Cephalaspidea)
Family	Ursidae (Bears)	Cylichnidae
Genus	Ursus (Bears)	Cylichna
Species	Ursus maritimus	Cylichna alba

Evolutionary Relationship

Polar bear and white chalice-bubble share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

white chalice-bubble

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	white chalice-bubble
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.

white chalice-bubble

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Norway, Sweden, and United States.

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.