Hourglass Dolphin vs Sooty Tern

Lagenorhynchus cruciger compared with Onychoprion fuscatus

Taxonomic Classification

Rank	Hourglass Dolphin	Sooty 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 cruciger	Onychoprion fuscatus

Evolutionary Relationship

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

Conservation Status

Hourglass Dolphin

LC — Least Concern

Sooty Tern

LC — Least Concern

Physical Characteristics

Attribute	Hourglass Dolphin	Sooty Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sooty Tern

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Venezuela).