Brathay fern vs ours blanc
Dryopteris brathaica compared with Ursus maritimus
Key Differences
- Brathay fern is Extinct while ours blanc is Vulnerable.
Taxonomic Classification
| Rank | Brathay fern | ours blanc |
|---|---|---|
| Kingdom | Plantae (plante) | Animalia (animal) |
| Phylum | Tracheophyta | Chordata (Chordates) |
| Class | Polypodiopsida (Filicopsida) | Mammalia (mammifères) |
| Order | Polypodiales (Polypodiales) | Carnivora (carnivores) |
| Family | Dryopteridaceae | Ursidae (Bears) |
| Genus | Dryopteris | Ursus (Bears) |
| Species | Dryopteris brathaica | Ursus maritimus |
Conservation Status
Brathay fern
EX — Extinctours blanc
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Brathay fern | ours blanc |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Brathay fern
Typically found in moist, shaded forest floors and tropical canopies.
Found in Canada.
ours blanc
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.
Brathay fern
The Brathay fern (Dryopteris brathaica) is a species in the genus Dryopteris. It is currently classified as Extinct on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies.
ours blanc
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.
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