Dusky Dolphin vs Small Crest

Lagenorhynchus obscurus compared with Anarsia spartiella

Key Differences

• Dusky Dolphin is Least Concern while Small Crest is Endangered.

Taxonomic Classification

Rank	Dusky Dolphin	Small Crest
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Delphinidae (Oceanic Dolphins)	Gelechiidae
Genus	Lagenorhynchus	Anarsia
Species	Lagenorhynchus obscurus	Anarsia spartiella

Evolutionary Relationship

Dusky Dolphin and Small Crest share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Dusky Dolphin

LC — Least Concern

Small Crest

EN — Endangered

Physical Characteristics

Attribute	Dusky Dolphin	Small Crest
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Small Crest

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.