夏威夷雁〔黃頸黑雁〕 vs 紅胸黑雁

Branta sandvicensis compared with Branta ruficollis

Key Differences

• 夏威夷雁〔黃頸黑雁〕 is Near Threatened while 紅胸黑雁 is Not Evaluated.

Taxonomic Classification

Rank	夏威夷雁〔黃頸黑雁〕	紅胸黑雁
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Aves (鳥綱)	Aves (鳥綱)
Order same	Anseriformes (雁形目)	Anseriformes (雁形目)
Family same	Anatidae	Anatidae
Genus same	Branta	Branta
Species	Branta sandvicensis	Branta ruficollis

Evolutionary Relationship

夏威夷雁〔黃頸黑雁〕 and 紅胸黑雁 share a common ancestor at the Genus level: Branta.

Conservation Status

夏威夷雁〔黃頸黑雁〕

NT — Near Threatened

紅胸黑雁

NE — Not Evaluated

Physical Characteristics

Attribute	夏威夷雁〔黃頸黑雁〕	紅胸黑雁
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

夏威夷雁〔黃頸黑雁〕

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.

紅胸黑雁

Habitat

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

Range

Found across Europe (7 countries).

夏威夷雁〔黃頸黑雁〕

夏威夷雁（Branta sandvicensis）在IUCN红色名录中被列为近危（NT）。接近濒危标准，若无保育措施，种群可能变得脆弱。

紅胸黑雁

红胸黑雁（Branta ruficollis）在IUCN红色名录中被列为未评估（NE）。尚未依据IUCN红色名录标准进行评估，保育状况有待确定。

Shared Countries

Both species can be found in 5 countries:

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