Dusky Dolphin vs Lesser Crested Tern

Lagenorhynchus obscurus compared with Thalasseus bengalensis

Key Differences

• Dusky Dolphin is Least Concern while Lesser Crested Tern is Not Evaluated.

Taxonomic Classification

Rank	Dusky Dolphin	Lesser Crested 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 bengalensis

Evolutionary Relationship

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

Conservation Status

Dusky Dolphin

LC — Least Concern

Lesser Crested Tern

NE — Not Evaluated

Physical Characteristics

Attribute	Dusky Dolphin	Lesser Crested Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Crested Tern

Habitat

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

Range

Distributed across Norway and Sweden.