Dusky Dolphin vs Elegant Tern

Lagenorhynchus obscurus compared with Thalasseus elegans

Key Differences

• Dusky Dolphin is Least Concern while Elegant Tern is Near Threatened.

Taxonomic Classification

Rank	Dusky Dolphin	Elegant Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Delphinidae (Oceanic Dolphins)	Laridae
Genus	Lagenorhynchus	Thalasseus
Species	Lagenorhynchus obscurus	Thalasseus elegans

Evolutionary Relationship

Dusky Dolphin and Elegant Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Dolphin

LC — Least Concern

Elegant Tern

NT — Near Threatened

Physical Characteristics

Attribute	Dusky Dolphin	Elegant Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Elegant Tern

Habitat

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

Range

Distributed across Belgium, Colombia, Denmark, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.