Dusky Dolphin vs Greater Crested Tern

Lagenorhynchus obscurus compared with Thalasseus bergii

Taxonomic Classification

Rank	Dusky Dolphin	Greater 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 bergii

Evolutionary Relationship

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

Conservation Status

Dusky Dolphin

LC — Least Concern

Greater Crested Tern

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Greater Crested Tern

Habitat

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

Range

Found in Norway.