Australian treefern vs Oso Polar

Dicksonia antarctica compared with Ursus maritimus

Key Differences

Australian treefern is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Australian treefern	Oso Polar
Kingdom	Plantae (planta)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (cordados)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (mamíferos)
Order	Cyatheales (Cyatheales)	Carnivora (carnívoros)
Family	Dicksoniaceae	Ursidae (Bears)
Genus	Dicksonia	Ursus (Bears)
Species	Dicksonia antarctica	Ursus maritimus

Conservation Status

Australian treefern

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Australian treefern	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Australian treefern

Habitat

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

Range

Distributed across Ireland, Portugal, and United Kingdom.

Oso Polar

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.

Australian treefern

The Australian treefern (Dicksonia antarctica) is a species in the genus Dicksonia. Typically found in moist, shaded forest floors and tropical canopies. Dicksonia antarctica contributes to the biodiversity of its native ecosystems.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.