Lesser Noctule vs Red-Throated Diver

Nyctalus leisleri compared with Gavia stellata

Key Differences

• Lesser Noctule is Endangered while Red-Throated Diver is Near Threatened.

Taxonomic Classification

Rank	Lesser Noctule	Red-Throated Diver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Gaviiformes (Gaviiformes)
Family	Vespertilionidae	Gaviidae
Genus	Nyctalus	Gavia
Species	Nyctalus leisleri	Gavia stellata

Evolutionary Relationship

Lesser Noctule and Red-Throated Diver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Red-Throated Diver

NT — Near Threatened

Physical Characteristics

Attribute	Lesser Noctule	Red-Throated Diver
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.

Red-Throated Diver

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Red-Throated Diver

Red-Throated Diver (Gavia stellata) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden