vs Polar bear
Phaeographis dendritica compared with Ursus maritimus
Taxonomic Classification
| Rank | Polar bear | |
|---|---|---|
| Kingdom | Fungi (菌界) | Animalia (動物) |
| Phylum | Ascomycota (子嚢菌門) | Chordata (脊索動物) |
| Class | Lecanoromycetes (チャシブゴケ菌綱) | Mammalia (哺乳類) |
| Order | Ostropales (Ostropales) | Carnivora (ネコ目) |
| Family | Graphidaceae | Ursidae (Bears) |
| Genus | Phaeographis | Ursus (Bears) |
| Species | Phaeographis dendritica | Ursus maritimus |
Conservation Status
Polar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Polar bear | |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Native to Europe and South America, inhabiting ecosystems characteristic of the region.
Distributed across Brazil, Colombia, Denmark, Norway, and Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.
Phaeographis dendritica は滑らかな樹皮に淡い白色の斑点を形成し、独特の樹状分枝したリレラ子嚢盤を持つ樹皮生殻状地衣類である。湿潤で日陰の温帯林地、特に海洋性地域の老齢林に生息する。危急種(VU)に分類され、生息地の喪失と古い未撹乱の林エコシステムの減少に脅かされている。
Polar bear
地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。
Related Comparisons
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