Hourglass Dolphin vs Lesser Noctule

Lagenorhynchus cruciger compared with Nyctalus leisleri

Key Differences

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

Taxonomic Classification

Rank	Hourglass Dolphin	Lesser Noctule
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Cetacea (Whales & Dolphins)	Chiroptera (ค้างคาว)
Family	Delphinidae (Oceanic Dolphins)	Vespertilionidae
Genus	Lagenorhynchus	Nyctalus
Species	Lagenorhynchus cruciger	Nyctalus leisleri

Evolutionary Relationship

Hourglass Dolphin and Lesser Noctule share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Hourglass Dolphin

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Hourglass 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.