Burch's tree snail vs Oso Polar

Samoana burchi compared with Ursus maritimus

Key Differences

• Burch's tree snail is Critically Endangered while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Burch's tree 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	Partulidae	Ursidae (Bears)
Genus	Samoana	Ursus (Bears)
Species	Samoana burchi	Ursus maritimus

Evolutionary Relationship

Burch's tree snail and Oso Polar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Burch's tree snail

CR — Critically Endangered

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Burch's tree snail	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Burch's tree snail

Habitat

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

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.

Burch's tree snail

The Burch's tree snail (Samoana burchi) is a species in the genus Samoana. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.