Chinese Crested Tern vs Irrawaddy dolphin

Thalasseus bernsteini compared with Orcaella brevirostris

Key Differences

• Chinese Crested Tern is Critically Endangered while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Chinese Crested Tern	Irrawaddy 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	Orcaella
Species	Thalasseus bernsteini	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

Chinese Crested Tern

CR — Critically Endangered

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Chinese Crested Tern	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chinese Crested Tern

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Norway and Taiwan. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chinese Crested Tern

The Chinese Crested Tern (Thalasseus bernsteini) is a species in the genus Thalasseus. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.