Polar bear vs St Helena Tree Fern

Ursus maritimus compared with Dicksonia arborescens

Taxonomic Classification

Rank	Polar bear	St Helena Tree Fern
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Tracheophyta
Class	Mammalia (mamíferos)	Polypodiopsida (Polypodiopsida)
Order	Carnivora (carnívoros)	Cyatheales (Cyatheales)
Family	Ursidae (Bears)	Dicksoniaceae
Genus	Ursus (Bears)	Dicksonia
Species	Ursus maritimus	Dicksonia arborescens

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

St Helena Tree Fern

VU — Vulnerable

Physical Characteristics

Attribute	Polar bear	St Helena Tree Fern
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.

St Helena Tree Fern

Habitat

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

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.