Durchwachsener Knöterich vs Eisbär

Persicaria perfoliata compared with Ursus maritimus

Key Differences

Durchwachsener Knöterich is Not Evaluated while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Durchwachsener Knöterich	Eisbär
Kingdom	Plantae (Pflanzen)	Animalia (Tier)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordatiere)
Class	Magnoliopsida (Dicots)	Mammalia (Säugetiere)
Order	Caryophyllales (Nelkenartige)	Carnivora (Raubtiere)
Family	Polygonaceae	Ursidae (Bears)
Genus	Persicaria	Ursus (Bears)
Species	Persicaria perfoliata	Ursus maritimus

Conservation Status

Durchwachsener Knöterich

NE — Not Evaluated

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Durchwachsener Knöterich	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Durchwachsener Knöterich

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Taiwan, Turkey), Europe (Norway, Sweden), North America (Canada, United States), and Oceania and the Pacific (New Zealand, Tuvalu).

Eisbär

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.

Durchwachsener Knöterich

The Asiatic tearthumb (Persicaria perfoliata) is a species in the genus Persicaria. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Widely distributed across Asia (Taiwan, Turkey), Europe (Norway, Sweden), North America (Canada, United States), and Oceania and the Pacific (New Zealand, Tuvalu).

Eisbär

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.