Polar bear vs Spider brake

Ursus maritimus compared with Pteris multifida

Key Differences

• Polar bear is Vulnerable while Spider brake is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Spider brake
Kingdom	Animalia (동물)	Plantae (식물)
Phylum	Chordata (척삭동물)	Tracheophyta
Class	Mammalia (포유류)	Polypodiopsida (고사리강)
Order	Carnivora (식육목)	Polypodiales (고사리목)
Family	Ursidae (Bears)	Pteridaceae
Genus	Ursus (Bears)	Pteris
Species	Ursus maritimus	Pteris multifida

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Spider brake

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic 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.

Spider brake

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Asia (Taiwan), Europe (10 countries), North America (Cuba, United States), and South America (Brazil).

Polar bear

지구상에서 가장 큰 육상 육식동물인 북극곰은 700kg을 넘을 수 있으며 캐나다에서 러시아까지 북극 해빙 전역에 분포한다. 고리 물범과 수염 물범을 사냥하기 위해 해빙에 의존하는 고도로 특수화된 해양 포유류이다. 광활한 거리를 헤엄쳐 다닐 수 있는 뛰어난 수영 실력을 가지고 있다. 취약종으로 등재되어 있으며, 기후 변화로 인한 급격한 북극 해빙 감소로 심각한 압력을 받고 있다.