Blunt-leaved Earwort vs Polar bear

Diplophyllum obtusifolium compared with Ursus maritimus

Key Differences

• Blunt-leaved Earwort is Critically Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Blunt-leaved Earwort	Polar bear
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Marchantiophyta (地钱门)	Chordata (脊索动物门)
Class	Jungermanniopsida (叶苔纲)	Mammalia (哺乳動物)
Order	Jungermanniales (叶苔目)	Carnivora (食肉目)
Family	Scapaniaceae	Ursidae (Bears)
Genus	Diplophyllum	Ursus (Bears)
Species	Diplophyllum obtusifolium	Ursus maritimus

Conservation Status

Blunt-leaved Earwort

CR — Critically Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Blunt-leaved Earwort	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Blunt-leaved Earwort

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

Range

Found across Asia (Taiwan) and Europe (5 countries). Currently classified as Critically Endangered 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.

Blunt-leaved Earwort

The Blunt-leaved Earwort (Diplophyllum obtusifolium) is a species in the genus Diplophyllum. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway