Haviside s Dolphin vs Американский красноголовый нырок

Cephalorhynchus heavisidii compared with Aythya americana

Key Differences

• Haviside s Dolphin is Near Threatened while Американский красноголовый нырок is Not Evaluated.

Taxonomic Classification

Rank	Haviside s Dolphin	Американский красноголовый нырок
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Cetacea (Whales & Dolphins)	Anseriformes (гусеобразные)
Family	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Cephalorhynchus	Aythya
Species	Cephalorhynchus heavisidii	Aythya americana

Evolutionary Relationship

Haviside s Dolphin and Американский красноголовый нырок share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Haviside s Dolphin

NT — Near Threatened

Американский красноголовый нырок

NE — Not Evaluated

Physical Characteristics

Attribute	Haviside s Dolphin	Американский красноголовый нырок
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Американский красноголовый нырок

Habitat

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

Range

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

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.