Bely Medved vs Кольчатый нырок
Ursus maritimus compared with Aythya collaris
Key Differences
- Bely Medved is Vulnerable while Кольчатый нырок is Least Concern.
Taxonomic Classification
| Rank | Bely Medved | Кольчатый нырок |
|---|---|---|
| Kingdom same | Animalia (животные) | Animalia (животные) |
| Phylum same | Chordata (хордовые) | Chordata (хордовые) |
| Class | Mammalia (млекопитающие) | Aves (птицы) |
| Order | Carnivora (хищные) | Anseriformes (гусеобразные) |
| Family | Ursidae (Bears) | Anatidae |
| Genus | Ursus (Bears) | Aythya |
| Species | Ursus maritimus | Aythya collaris |
Evolutionary Relationship
Bely Medved and Кольчатый нырок share a common ancestor at the Phylum level: Chordata. (хордовые)
Conservation Status
Bely Medved
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Кольчатый нырок
LC — Least ConcernPhysical Characteristics
| Attribute | Bely Medved | Кольчатый нырок |
|---|---|---|
| Diet | Carnivore | — |
| Average Lifespan | 25 years | — |
| Average Length | 2.4 m | — |
| Average Weight | 450.0 kg | — |
Habitat & Geographic Range
Bely Medved
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.
Кольчатый нырок
Typically found in various aerial, terrestrial, and aquatic environments.
Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).
Bely Medved
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.
Кольчатый нырок
Ring-necked Duck (Aythya collaris) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.
Related Comparisons
Nature FYI Family
Explore more of the natural world across our sister sites.
Part of the Nature FYI family — FYIPedia