來珊鴨 vs 綠頭鴨

Anas laysanensis compared with Anas platyrhynchos

Key Differences

• 來珊鴨 is Critically Endangered while 綠頭鴨 is Least Concern.

Taxonomic Classification

Rank	來珊鴨	綠頭鴨
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	Anas	Anas
Species	Anas laysanensis	Anas platyrhynchos

Evolutionary Relationship

來珊鴨 and 綠頭鴨 share a common ancestor at the Genus level: Anas.

Conservation Status

來珊鴨

CR — Critically Endangered

綠頭鴨

LC — Least Concern

Physical Characteristics

Attribute	來珊鴨	綠頭鴨
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

來珊鴨

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

綠頭鴨

Habitat

Inhabits tropical and subtropical moist broadleaf forests and deserts and xeric shrublands spanning the Afrotropic and Indomalayan realms.

Range

Widely distributed across Africa (5 countries), Asia (Bhutan, Nepal), Europe (7 countries), North America (Barbados, El Salvador, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

來珊鴨

莱桑鸭（Anas laysanensis）被IUCN红色名录列为极危（CR）物种。由于种群数量严重下降和栖息地丧失，该物种在野外灭绝的风险极高。

綠頭鴨

绿头鸭（Anas platyrhynchos）在IUCN红色名录中被列为无危（LC）。该物种在其分布范围内广泛分布且数量丰富，种群稳定，无即时保护关切。

Shared Countries

Both species can be found in 5 countries:

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