Hawaiigans vs Rothalsgans

Branta sandvicensis compared with Branta ruficollis

Key Differences

• Hawaiigans is Near Threatened while Rothalsgans is Not Evaluated.

Taxonomic Classification

Rank	Hawaiigans	Rothalsgans
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Aves (Vögel)	Aves (Vögel)
Order same	Anseriformes (Gänsevögel)	Anseriformes (Gänsevögel)
Family same	Anatidae	Anatidae
Genus same	Branta	Branta
Species	Branta sandvicensis	Branta ruficollis

Evolutionary Relationship

Hawaiigans and Rothalsgans share a common ancestor at the Genus level: Branta.

Conservation Status

Hawaiigans

NT — Near Threatened

Rothalsgans

NE — Not Evaluated

Physical Characteristics

Attribute	Hawaiigans	Rothalsgans
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hawaiigans

Habitat

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

Range

Found across Asia (United Arab Emirates) and Europe (5 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Rothalsgans

Habitat

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

Range

Found across Europe (7 countries).

Hawaiigans

Hawaiian Goose (Branta sandvicensis) 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.

Rothalsgans

Red-breasted Goose (Branta ruficollis) 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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom