八哥 vs 來珊鴨

Acridotheres cristatellus compared with Anas laysanensis

Key Differences

• 八哥 is Least Concern while 來珊鴨 is Critically Endangered.

Taxonomic Classification

Rank	八哥	來珊鴨
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	Passeriformes (雀形目)	Anseriformes (雁形目)
Family	Sturnidae	Anatidae
Genus	Acridotheres	Anas
Species	Acridotheres cristatellus	Anas laysanensis

Evolutionary Relationship

八哥 and 來珊鴨 share a common ancestor at the Class level: Aves. (鳥綱)

Conservation Status

八哥

LC — Least Concern

來珊鴨

CR — Critically Endangered

Physical Characteristics

Attribute	八哥	來珊鴨
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

八哥

Habitat

Inhabits tropical and subtropical dry broadleaf forests and tropical and subtropical grasslands and savannas within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan, Singapore, United Arab Emirates), Europe (7 countries), and South America (Argentina, Bolivia).

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.

八哥

凤头八哥（Acridotheres cristatellus）在IUCN红色名录中被列为无危（LC）物种。在其分布范围内广泛且数量丰富，种群稳定，无即时保育关切。

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。

Shared Countries

Both species can be found in 5 countries:

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