Polar bear vs Small-leaf climbing fern

Ursus maritimus compared with Lygodium microphyllum

Key Differences

Polar bear is Vulnerable while Small-leaf climbing fern is Least Concern.

Taxonomic Classification

Rank	Polar bear	Small-leaf climbing fern
Kingdom	Animalia (động vật)	Plantae (thực vật)
Phylum	Chordata (động vật có dây sống)	Tracheophyta
Class	Mammalia (lớp Thú)	Polypodiopsida (Lớp Dương xỉ)
Order	Carnivora (bộ Ăn thịt)	Schizaeales (Bộ Ráng ngón)
Family	Ursidae (Bears)	Lygodiaceae
Genus	Ursus (Bears)	Lygodium
Species	Ursus maritimus	Lygodium microphyllum

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Small-leaf climbing fern

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	Small-leaf climbing 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.

Small-leaf climbing fern

Habitat

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

Range

Widely distributed across Africa (Angola, Guinea), Asia (Taiwan), North America (United States), Oceania and the Pacific (Micronesia, Palau, Solomon Islands), and South America (Guyana).

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.