Notched Rustwort vs ours blanc

Marsupella emarginata compared with Ursus maritimus

Key Differences

• Notched Rustwort is Extinct while ours blanc is Vulnerable.

Taxonomic Classification

Rank	Notched Rustwort	ours blanc
Kingdom	Plantae (plante)	Animalia (animal)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Jungermanniopsida (Jungermanniopsida)	Mammalia (mammifères)
Order	Jungermanniales (Jungermanniales)	Carnivora (carnivores)
Family	Gymnomitriaceae	Ursidae (Bears)
Genus	Marsupella	Ursus (Bears)
Species	Marsupella emarginata	Ursus maritimus

Conservation Status

Notched Rustwort

EX — Extinct

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Notched Rustwort	ours blanc
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Notched Rustwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Colombia).

ours blanc

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.

ours blanc

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