Ferny Azolla vs Polar bear

Azolla pinnata compared with Ursus maritimus

Key Differences

• Ferny Azolla is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Ferny Azolla	Polar bear
Kingdom	Plantae (نباتات)	Animalia (حيوانات)
Phylum	Tracheophyta	Chordata (حبليات)
Class	Polypodiopsida (سراخس رقيقة المباغ)	Mammalia (ثدييات)
Order	Salviniales (سلوينيات)	Carnivora (لواحم)
Family	Salviniaceae	Ursidae (Bears)
Genus	Azolla	Ursus (Bears)
Species	Azolla pinnata	Ursus maritimus

Conservation Status

Ferny Azolla

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Ferny Azolla	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Ferny Azolla

Habitat

Found across multiple habitat types including deserts and xeric shrublands, tropical and subtropical moist broadleaf forests, and flooded grasslands and savannas spanning the Palearctic and Oceanian realms.

Range

Widely distributed across Africa (4 countries), Asia (Indonesia, Singapore, Taiwan), North America (Mexico, United States), and Oceania and the Pacific (Marshall Islands, New Zealand, Tuvalu).

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.

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.