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 (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Tracheophyta
Class	Mammalia (mamíferos)	Polypodiopsida (Polypodiopsida)
Order	Carnivora (carnívoros)	Polypodiales (Polypodiales)
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

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.