疣鼻天鵝〔赤嘴天鵝〕 vs 小天鵝

Cygnus olor compared with Cygnus columbianus

Key Differences

• 疣鼻天鵝〔赤嘴天鵝〕 is Near Threatened while 小天鵝 is Not Evaluated.

Taxonomic Classification

Rank	疣鼻天鵝〔赤嘴天鵝〕	小天鵝
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	Cygnus	Cygnus
Species	Cygnus olor	Cygnus columbianus

Evolutionary Relationship

疣鼻天鵝〔赤嘴天鵝〕 and 小天鵝 share a common ancestor at the Genus level: Cygnus.

Conservation Status

疣鼻天鵝〔赤嘴天鵝〕

NT — Near Threatened

Population: ~600.0K

Trend: Increasing ↑

小天鵝

NE — Not Evaluated

Physical Characteristics

Attribute	疣鼻天鵝〔赤嘴天鵝〕	小天鵝
Diet	Herbivore	—
Average Lifespan	20 years	—
Average Length	1.5 m	—
Average Weight	12.0 kg	—

Habitat & Geographic Range

疣鼻天鵝〔赤嘴天鵝〕

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 8 distinct biome types.

Range

Widely distributed across Africa (South Africa), Asia (4 countries), Europe (24 countries), North America (Canada, Dominican Republic, United States), Oceania and the Pacific (New Zealand), and South America (Colombia, Peru). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

小天鵝

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

疣鼻天鵝〔赤嘴天鵝〕

大天鹅（Cygnus olor）是全球最常见的天鹅，也是最大的飞禽之一，体重最高可达 15 千克，栖息于欧亚大陆的湖泊、河流和沿海湾，北美和澳大利亚也有广泛引入种群。尽管名字暗示其沉默，但大天鹅会发出嘶嘶声、咕噜声和振翅声。雄鸟极力捍卫领地，有力的翅膀打击足以伤人或令狗溺毙。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States