Laysan Duck vs Lesser Noctule

Anas laysanensis compared with Nyctalus leisleri

Key Differences

• Laysan Duck is Critically Endangered while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Laysan Duck	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Chiroptera (Bats)
Family	Anatidae	Vespertilionidae
Genus	Anas	Nyctalus
Species	Anas laysanensis	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Laysan Duck

CR — Critically Endangered

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Laysan Duck	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Laysan Duck

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.

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.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 1 countries:

🇧🇪 Belgium