Dark-triangle Button vs 來珊鴨

Acleris laterana compared with Anas laysanensis

Key Differences

• Dark-triangle Button is Least Concern while 來珊鴨 is Critically Endangered.

Taxonomic Classification

Rank	Dark-triangle Button	來珊鴨
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Aves (鳥綱)
Order	Lepidoptera (鱗翅目)	Anseriformes (雁形目)
Family	Tortricidae	Anatidae
Genus	Acleris	Anas
Species	Acleris laterana	Anas laysanensis

Evolutionary Relationship

Dark-triangle Button and 來珊鴨 share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Dark-triangle Button

LC — Least Concern

來珊鴨

CR — Critically Endangered

Physical Characteristics

Attribute	Dark-triangle Button	來珊鴨
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark-triangle Button

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway