Polar bear vs Ricefield waternymph

Ursus maritimus compared with Najas graminea

Key Differences

Polar bear is Vulnerable while Ricefield waternymph is Least Concern.

Taxonomic Classification

Rank	Polar bear	Ricefield waternymph
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Magnoliophyta (Flowering Plants)
Class	Mammalia (mamíferos)	Liliopsida (Monocots)
Order	Carnivora (carnívoros)	Alismatales (Alismatales)
Family	Ursidae (Bears)	Hydrocharitaceae
Genus	Ursus (Bears)	Najas
Species	Ursus maritimus	Najas graminea

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Ricefield waternymph

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	Ricefield waternymph
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.

Ricefield waternymph

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Africa (Guinea), Asia (Taiwan), Europe (10 countries), North America (United States), Oceania and the Pacific (Papua New Guinea), and South America (Brazil).

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.