Carolina mosquitofern vs Polar bear

Azolla caroliniana compared with Ursus maritimus

Key Differences

Carolina mosquitofern is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Carolina mosquitofern	Polar bear
Kingdom	Plantae (plantas)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (cordados)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (mamíferos)
Order	Salviniales (Salviniales)	Carnivora (carnívoros)
Family	Salviniaceae	Ursidae (Bears)
Genus	Azolla	Ursus (Bears)
Species	Azolla caroliniana	Ursus maritimus

Conservation Status

Carolina mosquitofern

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Carolina mosquitofern

Habitat

Inhabits deserts and xeric shrublands and flooded grasslands and savannas within the Palearctic biogeographic realm.

Range

Widely distributed across Africa (Egypt), Asia (Japan, Taiwan), Europe (7 countries), North America (Canada, Cuba, United States), and South America (Brazil, Colombia).

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.

Carolina mosquitofern

The Carolina Mosquitofern (Azolla caroliniana) is a species in the genus Azolla. It is currently classified as Least Concern on the IUCN Red List. Inhabits deserts and xeric shrublands and flooded grasslands and savannas within the Palearctic biogeographic realm.

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.