vs Polar bear
Phaeographis dendritica compared with Ursus maritimus
Taxonomic Classification
| Rank | Polar bear | |
|---|---|---|
| Kingdom | Fungi (真菌界) | Animalia (动物界) |
| Phylum | Ascomycota (子囊菌门) | Chordata (脊索动物门) |
| Class | Lecanoromycetes (茶漬綱) | Mammalia (哺乳動物) |
| Order | Ostropales (厚顶盘菌目) | Carnivora (食肉目) |
| 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 是一种树皮生壳状地衣,在光滑树皮上形成淡白色斑块,具有独特的树枝状裂缝形子囊盘。栖息于湿润荫蔽的温带林地,尤其是海洋性地区的老龄林。被列为易危(VU),受到生境丧失和古老未受扰林生态系统衰退的威胁。
Polar bear
北极熊是地球上最大的陆地食肉动物,体重可超过700千克,分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物,依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者,能够横渡广阔的开阔水域。被列为易危种,因气候变化导致北极海冰迅速减少,种群正受到严重威胁。
Related Comparisons
Nature FYI Family
Explore more of the natural world across our sister sites.
Part of the Nature FYI family — FYIPedia