Crenulated Flapwort vs Polar bear

Solenostoma gracillimum compared with Ursus maritimus

Key Differences

Crenulated Flapwort is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Crenulated Flapwort	Polar bear
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Mammalia (Mammals)
Order	Jungermanniales (Jungermanniales)	Carnivora (Carnivorans)
Family	Solenostomataceae	Ursidae (Bears)
Genus	Solenostoma	Ursus (Bears)
Species	Solenostoma gracillimum	Ursus maritimus

Conservation Status

Crenulated Flapwort

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Crenulated Flapwort	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Crenulated Flapwort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Sweden, Taiwan, and United States.

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.

Crenulated Flapwort

No description available.

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.