來珊鴨 vs Stream Bluet

Anas laysanensis compared with Enallagma exsulans

Key Differences

• 來珊鴨 is Critically Endangered while Stream Bluet is Least Concern.

Taxonomic Classification

Rank	來珊鴨	Stream Bluet
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Arthropoda (节肢动物门)
Class	Aves (鳥綱)	Insecta (昆蟲綱)
Order	Anseriformes (雁形目)	Odonata (蜻蜓目)
Family	Anatidae	Coenagrionidae
Genus	Anas	Enallagma
Species	Anas laysanensis	Enallagma exsulans

Evolutionary Relationship

來珊鴨 and Stream Bluet share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

來珊鴨

CR — Critically Endangered

Stream Bluet

LC — Least Concern

Physical Characteristics

Attribute	來珊鴨	Stream Bluet
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.

Stream Bluet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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。