Polar bear vs small yellow wave

Ursus maritimus compared with Hydrelia flammeolaria

Key Differences

Polar bear is Vulnerable while small yellow wave is Least Concern.

Taxonomic Classification

Rank	Polar bear	small yellow wave
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum	Chordata (động vật có dây sống)	Arthropoda (động vật Chân khớp)
Class	Mammalia (lớp Thú)	Insecta (côn trùng)
Order	Carnivora (bộ Ăn thịt)	Lepidoptera (bộ Cánh vảy)
Family	Ursidae (Bears)	Geometridae
Genus	Ursus (Bears)	Hydrelia
Species	Ursus maritimus	Hydrelia flammeolaria

Evolutionary Relationship

Polar bear and small yellow wave share a common ancestor at the Kingdom level: Animalia. (động vật)

Xem Kingdom: Animalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

small yellow wave

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	small yellow wave
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.

small yellow wave

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.