Giant Noctule vs Red-breasted Merganser

Nyctalus lasiopterus compared with Mergus serrator

Key Differences

• Giant Noctule is Not Evaluated while Red-breasted Merganser is Least Concern.

Taxonomic Classification

Rank	Giant Noctule	Red-breasted Merganser
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	Mergus
Species	Nyctalus lasiopterus	Mergus serrator

Evolutionary Relationship

Giant Noctule and Red-breasted Merganser share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Noctule

NE — Not Evaluated

Red-breasted Merganser

LC — Least Concern

Physical Characteristics

Attribute	Giant Noctule	Red-breasted Merganser
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.

Red-breasted Merganser

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia).

Red-breasted Merganser

Red-breasted Merganser (Mergus serrator) 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 2 countries:

🇧🇪 Belgium 🇺🇦 Ukraine