Dusky Dolphin vs Fairy Tern

Lagenorhynchus obscurus compared with Sternula nereis

Key Differences

• Dusky Dolphin is Least Concern while Fairy Tern is Vulnerable.

Taxonomic Classification

Rank	Dusky Dolphin	Fairy Tern
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Delphinidae (Oceanic Dolphins)	Laridae
Genus	Lagenorhynchus	Sternula
Species	Lagenorhynchus obscurus	Sternula nereis

Evolutionary Relationship

Dusky Dolphin and Fairy Tern share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Dusky Dolphin

LC — Least Concern

Fairy Tern

VU — Vulnerable

Physical Characteristics

Attribute	Dusky Dolphin	Fairy Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Fairy Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.