Grassland Whorl Snail vs Oso Polar

Vertigo ovata compared with Ursus maritimus

Key Differences

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

Taxonomic Classification

Rank	Grassland Whorl Snail	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (moluscos)	Chordata (cordados)
Class	Gastropoda (gastrópodos)	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 Oso Polar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Grassland Whorl Snail

NT — Near Threatened

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Grassland Whorl Snail	Oso Polar
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.

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.

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.