Giant Noctule vs Lesser Scaup

Nyctalus lasiopterus compared with Aythya affinis

Key Differences

• Giant Noctule is Not Evaluated while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Giant Noctule	Lesser Scaup
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	Aythya
Species	Nyctalus lasiopterus	Aythya affinis

Evolutionary Relationship

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

Conservation Status

Giant Noctule

NE — Not Evaluated

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Giant Noctule	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium and Ukraine.

Lesser Scaup

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Lesser Scaup

Lesser Scaup (Aythya affinis) 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 1 countries:

🇧🇪 Belgium