Polar bear vs Tree Grayling

Ursus maritimus compared with Hipparchia statilinus

Key Differences

• Polar bear is Vulnerable while Tree Grayling is Extinct.

Taxonomic Classification

Rank	Polar bear	Tree Grayling
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Chordata (حبليات)	Arthropoda (مفصليات الأرجل)
Class	Mammalia (ثدييات)	Insecta (حشرات)
Order	Carnivora (لواحم)	Lepidoptera (حرشفيات الأجنحة)
Family	Ursidae (Bears)	Nymphalidae (Brush-footed Butterflies)
Genus	Ursus (Bears)	Hipparchia
Species	Ursus maritimus	Hipparchia statilinus

Evolutionary Relationship

Polar bear and Tree Grayling share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Tree Grayling

EX — Extinct

Physical Characteristics

Attribute	Polar bear	Tree Grayling
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.

Tree Grayling

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (30 countries).

Polar bear

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.