Eisbär vs Grauer Zwergspanner

Ursus maritimus compared with Idaea seriata

Key Differences

Eisbär is Vulnerable while Grauer Zwergspanner is Least Concern.

Taxonomic Classification

Rank	Eisbär	Grauer Zwergspanner
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Insecta (Insekten)
Order	Carnivora (Raubtiere)	Lepidoptera (Schmetterlinge)
Family	Ursidae (Bears)	Geometridae
Genus	Ursus (Bears)	Idaea
Species	Ursus maritimus	Idaea seriata

Evolutionary Relationship

Eisbär and Grauer Zwergspanner share a common ancestor at the Kingdom level: Animalia. (Tier)

Ansehen Kingdom: Animalia

Conservation Status

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Grauer Zwergspanner

LC — Least Concern

Physical Characteristics

Attribute	Eisbär	Grauer Zwergspanner
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

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.

Grauer Zwergspanner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.