Dusky Dolphin vs Gray-backed Tern

Lagenorhynchus obscurus compared with Onychoprion lunatus

Taxonomic Classification

Rank	Dusky Dolphin	Gray-backed 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	Onychoprion
Species	Lagenorhynchus obscurus	Onychoprion lunatus

Evolutionary Relationship

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

Conservation Status

Dusky Dolphin

LC — Least Concern

Gray-backed Tern

LC — Least Concern

Physical Characteristics

Attribute	Dusky Dolphin	Gray-backed Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-backed Tern

Habitat

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

Range

Found in Norway.