Ferruginous Duck vs Lesser Noctule

Aythya nyroca compared with Nyctalus leisleri

Key Differences

• Ferruginous Duck is Not Evaluated while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Ferruginous 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	Aythya	Nyctalus
Species	Aythya nyroca	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Ferruginous Duck

NE — Not Evaluated

Lesser Noctule

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Ferruginous Duck

Habitat

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

Range

Found across Asia (Taiwan) and Europe (8 countries).

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.

Ferruginous Duck

Ferruginous Duck (Aythya nyroca) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden 🇺🇦 Ukraine