Американский красноголовый нырок vs small tortoiseshell

Aythya americana compared with Aglais urticae

Key Differences

Американский красноголовый нырок is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Американский красноголовый нырок	small tortoiseshell
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Chordata (хордовые)	Arthropoda (членистоногие)
Class	Aves (птицы)	Insecta (насекомые)
Order	Anseriformes (гусеобразные)	Lepidoptera (чешуекрылые)
Family	Anatidae	Nymphalidae (Brush-footed Butterflies)
Genus	Aythya	Aglais
Species	Aythya americana	Aglais urticae

Evolutionary Relationship

Американский красноголовый нырок and small tortoiseshell share a common ancestor at the Kingdom level: Animalia. (животные)

Просмотреть Kingdom: Animalia

Conservation Status

Американский красноголовый нырок

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Американский красноголовый нырок	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Американский красноголовый нырок

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (7 countries) and North America (United States).

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Американский красноголовый нырок

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

small tortoiseshell

small tortoiseshell (Aglais urticae) 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.