Polar bear vs small tortoiseshell
Ursus maritimus compared with Aglais urticae
Key Differences
- Polar bear is Vulnerable while small tortoiseshell is Near Threatened.
Taxonomic Classification
| Rank | Polar bear | small tortoiseshell |
|---|---|---|
| Kingdom same | Animalia (동물) | Animalia (동물) |
| Phylum | Chordata (척삭동물) | Arthropoda (절지동물) |
| Class | Mammalia (포유류) | Insecta (곤충) |
| Order | Carnivora (식육목) | Lepidoptera (나비목) |
| Family | Ursidae (Bears) | Nymphalidae (Brush-footed Butterflies) |
| Genus | Ursus (Bears) | Aglais |
| Species | Ursus maritimus | Aglais urticae |
Evolutionary Relationship
Polar bear and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (동물)
Conservation Status
Polar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
small tortoiseshell
NT — Near ThreatenedPhysical Characteristics
| Attribute | Polar bear | small tortoiseshell |
|---|---|---|
| Diet | Carnivore | — |
| Average Lifespan | 25 years | — |
| Average Length | 2.4 m | — |
| Average Weight | 450.0 kg | — |
Habitat & Geographic Range
Polar bear
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.
Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
small tortoiseshell
Typically found in virtually all terrestrial and freshwater habitats.
Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.
Polar bear
지구상에서 가장 큰 육상 육식동물인 북극곰은 700kg을 넘을 수 있으며 캐나다에서 러시아까지 북극 해빙 전역에 분포한다. 고리 물범과 수염 물범을 사냥하기 위해 해빙에 의존하는 고도로 특수화된 해양 포유류이다. 광활한 거리를 헤엄쳐 다닐 수 있는 뛰어난 수영 실력을 가지고 있다. 취약종으로 등재되어 있으며, 기후 변화로 인한 급격한 북극 해빙 감소로 심각한 압력을 받고 있다.
small tortoiseshell
작은 거북등 나비(Aglais urticae)는 IUCN 적색 목록에서 준위협(NT) 종으로 분류된다. 위협 종으로 분류되기 직전 단계로, 보전 조치 없이는 취약 종이 될 수 있는 개체군이다.
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