Lesser Noctule vs Spectacled Eider

Nyctalus leisleri compared with Somateria fischeri

Key Differences

• Lesser Noctule is Endangered while Spectacled Eider is Not Evaluated.

Taxonomic Classification

Rank	Lesser Noctule	Spectacled Eider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Vespertilionidae	Anatidae
Genus	Nyctalus	Somateria
Species	Nyctalus leisleri	Somateria fischeri

Evolutionary Relationship

Lesser Noctule and Spectacled Eider share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Spectacled Eider

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Noctule	Spectacled Eider
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Spectacled Eider

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Norway and Sweden.

Shared Countries

Both species can be found in 1 countries:

🇸🇪 Sweden