Arctic Tern vs Chinese river dolphin

Sterna paradisaea compared with Lipotes vexillifer

Key Differences

• Arctic Tern is Least Concern while Chinese river dolphin is Critically Endangered.

Taxonomic Classification

Rank	Arctic Tern	Chinese river 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	Lipotidae
Genus	Sterna	Lipotes
Species	Sterna paradisaea	Lipotes vexillifer

Evolutionary Relationship

Arctic Tern and Chinese river dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic Tern

LC — Least Concern

Chinese river dolphin

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic Tern	Chinese river dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Tern

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador).

Chinese river dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arctic Tern

Arctic Tern (Sterna paradisaea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Chinese river dolphin

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.