Dusky Dolphin vs Lesser Noctule

Lagenorhynchus obscurus compared with Nyctalus leisleri

Key Differences

• Dusky Dolphin is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Dusky Dolphin	Lesser Noctule
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Cetacea (Whales & Dolphins)	Chiroptera (翼手目)
Family	Delphinidae (Oceanic Dolphins)	Vespertilionidae
Genus	Lagenorhynchus	Nyctalus
Species	Lagenorhynchus obscurus	Nyctalus leisleri

Evolutionary Relationship

Dusky Dolphin and Lesser Noctule share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Dusky Dolphin

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Dusky Dolphin	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.