vs Polar bear

Physarum viride compared with Ursus maritimus

Key Differences

is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Protozoa (原生動物)	Animalia (动物界)
Phylum	Mycetozoa	Chordata (脊索动物门)
Class	Myxomycetes (黏菌纲)	Mammalia (哺乳動物)
Order	Physarales (绒泡菌目)	Carnivora (食肉目)
Family	Physaraceae	Ursidae (Bears)
Genus	Physarum	Ursus (Bears)
Species	Physarum viride	Ursus maritimus

Conservation Status

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (Belgium, Norway, Sweden), North America (United States), and South America (Brazil).

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.

Physarum viride 是色彩鲜艳的黏菌，在森林生境枯木、落叶和枯枝落叶等腐朽有机物上产生小型亮黄绿色孢子囊。与所有 Physarum 种一样，部分生活史以多核原质团形式爬行于基质上吞噬食物颗粒。分布于温带和热带地区的湿润林地。