البط كستنائي الرأس vs Greater Scaup
Aythya ferina compared with Aythya marila
Key Differences
- البط كستنائي الرأس is Near Threatened while Greater Scaup is Vulnerable.
Taxonomic Classification
| Rank | البط كستنائي الرأس | Greater Scaup |
|---|---|---|
| Kingdom same | Animalia (حيوانات) | Animalia (حيوانات) |
| Phylum same | Chordata (حبليات) | Chordata (حبليات) |
| Class same | Aves (طيور) | Aves (طيور) |
| Order same | Anseriformes (إوزيات) | Anseriformes (إوزيات) |
| Family same | Anatidae | Anatidae |
| Genus same | Aythya | Aythya |
| Species | Aythya ferina | Aythya marila |
Evolutionary Relationship
البط كستنائي الرأس and Greater Scaup share a common ancestor at the Genus level: Aythya.
Conservation Status
البط كستنائي الرأس
NT — Near ThreatenedGreater Scaup
VU — VulnerablePhysical Characteristics
| Attribute | البط كستنائي الرأس | Greater Scaup |
|---|---|---|
| Diet | — | — |
| Average Lifespan | — | — |
| Average Length | — | — |
| Average Weight | — | — |
Habitat & Geographic Range
البط كستنائي الرأس
Typically found in various aerial, terrestrial, and aquatic environments.
Widely distributed across Asia (Taiwan), Europe (8 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.
Greater Scaup
Typically found in various aerial, terrestrial, and aquatic environments.
Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
البط كستنائي الرأس
Common Pochard (Aythya ferina) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.
Greater Scaup
Greater Scaup (Aythya marila) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.
Shared Countries
Both species can be found in 5 countries:
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