Guiana Dolphin vs Lesser Noctule

Sotalia guianensis compared with Nyctalus leisleri

Key Differences

• Guiana Dolphin is Data Deficient while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Guiana Dolphin	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Chiroptera (Bats)
Family	Delphinidae (Oceanic Dolphins)	Vespertilionidae
Genus	Sotalia	Nyctalus
Species	Sotalia guianensis	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Lesser Noctule

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.