Grassland Whorl Snail vs Polar bear

Vertigo ovata compared with Ursus maritimus

Key Differences

• Grassland Whorl Snail is Near Threatened while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Grassland Whorl Snail	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Moluscos)	Chordata (cordados)
Class	Gastropoda (Gastrópodes)	Mammalia (mamíferos)
Order	Stylommatophora (Stylommatophora)	Carnivora (carnívoros)
Family	Vertiginidae	Ursidae (Bears)
Genus	Vertigo	Ursus (Bears)
Species	Vertigo ovata	Ursus maritimus

Evolutionary Relationship

Grassland Whorl Snail and Polar bear share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Grassland Whorl Snail

NT — Near Threatened

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Grassland Whorl Snail	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Grassland Whorl Snail

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

Distributed across Mexico, New Zealand, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

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.