Chinese river dolphin vs Royal Tern

Lipotes vexillifer compared with Thalasseus maximus

Key Differences

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

Taxonomic Classification

Rank	Chinese river dolphin	Royal 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	Lipotidae	Laridae
Genus	Lipotes	Thalasseus
Species	Lipotes vexillifer	Thalasseus maximus

Evolutionary Relationship

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

Conservation Status

Chinese river dolphin

CR — Critically Endangered

Royal Tern

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Chinese river dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Royal Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, Sweden, and Venezuela.

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.

Royal Tern

Royal Tern (Thalasseus maximus) 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.