Polar bear vs Threeleaf Halberd Fern

Ursus maritimus compared with Tectaria trifoliata

Key Differences

Polar bear is Vulnerable while Threeleaf Halberd Fern is Near Threatened.

Taxonomic Classification

Rank	Polar bear	Threeleaf Halberd Fern
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Tracheophyta
Class	Mammalia (mamíferos)	Polypodiopsida (Polypodiopsida)
Order	Carnivora (carnívoros)	Polypodiales (Polypodiales)
Family	Ursidae (Bears)	Tectariaceae
Genus	Ursus (Bears)	Tectaria
Species	Ursus maritimus	Tectaria trifoliata

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Threeleaf Halberd Fern

NT — Near Threatened

Physical Characteristics

Attribute	Polar bear	Threeleaf Halberd 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.

Threeleaf Halberd Fern

Habitat

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

Range

Distributed across Brazil, Colombia, and Cuba. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.