Dark-triangle Button vs Lesser Noctule

Acleris laterana compared with Nyctalus leisleri

Key Differences

• Dark-triangle Button is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Dark-triangle Button	Lesser Noctule
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)	Mammalia (哺乳動物)
Order	Lepidoptera (鱗翅目)	Chiroptera (翼手目)
Family	Tortricidae	Vespertilionidae
Genus	Acleris	Nyctalus
Species	Acleris laterana	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Dark-triangle Button

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Dark-triangle Button	Lesser Noctule
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.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden