Browned Pixie-Cup Lichen vs Polar bear
Cladonia cervicornis compared with Ursus maritimus
Key Differences
- Browned Pixie-Cup Lichen is Least Concern while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Browned Pixie-Cup Lichen | 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 | Lecanorales (茶漬目) | Carnivora (食肉目) |
| Family | Cladoniaceae | Ursidae (Bears) |
| Genus | Cladonia | Ursus (Bears) |
| Species | Cladonia cervicornis | Ursus maritimus |
Conservation Status
Browned Pixie-Cup Lichen
LC — Least ConcernPolar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Browned Pixie-Cup Lichen | Polar bear |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Browned Pixie-Cup Lichen
Native to Europe and North America, inhabiting ecosystems characteristic of the region.
Distributed across Denmark, Norway, Portugal, Sweden, and United States.
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.
Browned Pixie-Cup Lichen
The Browned Pixie-cup Lichen (Cladonia cervicornis) is a species in the genus Cladonia. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.
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。
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