Greater Crested Tern vs Hourglass Dolphin

Thalasseus bergii compared with Lagenorhynchus cruciger

Taxonomic Classification

Rank	Greater Crested Tern	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Cetacea (Whales & Dolphins)
Family	Laridae	Delphinidae (Oceanic Dolphins)
Genus	Thalasseus	Lagenorhynchus
Species	Thalasseus bergii	Lagenorhynchus cruciger

Evolutionary Relationship

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

Conservation Status

Greater Crested Tern

LC — Least Concern

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Greater Crested Tern

Habitat

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

Range

Found in Norway.

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.