Lesser Noctule vs Ruddy Duck

Nyctalus leisleri compared with Oxyura jamaicensis

Key Differences

• Lesser Noctule is Endangered while Ruddy Duck is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Ruddy Duck
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	Oxyura
Species	Nyctalus leisleri	Oxyura jamaicensis

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Ruddy Duck

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Ruddy Duck
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.

Ruddy Duck

Habitat

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

Range

Widely distributed across Africa (Algeria, Tunisia), Asia (Azerbaijan, Israel, Turkey), Europe (19 countries), North America (United States), and South America (Colombia, Ecuador).

Ruddy Duck

Ruddy Duck (Oxyura jamaicensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden