clear glass snail vs Polar bear

Aegopinella pura compared with Ursus maritimus

Taxonomic Classification

Rank	clear glass snail	Polar bear
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum	Mollusca (Yumuşakçalar)	Chordata (Kordalılar)
Class	Gastropoda (Karından bacaklılar)	Mammalia (memeliler)
Order	Stylommatophora (Stylommatophora)	Carnivora (etçiller)
Family	Gastrodontidae	Ursidae (Bears)
Genus	Aegopinella	Ursus (Bears)
Species	Aegopinella pura	Ursus maritimus

Evolutionary Relationship

clear glass snail and Polar bear share a common ancestor at the Kingdom level: Animalia. (hayvan)

Conservation Status

clear glass snail

VU — Vulnerable

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	clear glass snail	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

clear glass snail

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

clear glass snail

The Clear Glass Snail is a common name applied to small, translucent land snails, typically in the family Vitrinidae or Zonitidae, characterized by their thin, glassy shells through which the soft body of the animal is often visible. These snails inhabit moist, shaded environments including deciduous woodland, grassland with thick vegetation, and hedgerows across Europe and North America. The thin, transparent shell is often not large enough to completely retract into, leaving the mantle partially exposed, an adaptation that reduces shell weight while maximizing the internal surface area available for gas exchange. Clear glass snails are detritivores and microphages, consuming fungi, algae, decaying plant matter, and occasionally living plant tissue. They are sensitive to desiccation and are most active during wet, cool conditions, retreating under bark, stones, or into leaf litter during dry weather. Several European glass snail species are considered indicators of old, undisturbed woodland habitats with stable microclimatic conditions. Some species in the family Zonitidae have declined due to loss of old woodland, intensive agriculture, and fragmentation of semi-natural habitats. Exact conservation status depends on the specific species intended by the common name.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway