Indo-Pacific Bottlenose Dolphin vs Lesser Crested Tern

Tursiops aduncus compared with Thalasseus bengalensis

Key Differences

• Indo-Pacific Bottlenose Dolphin is Near Threatened while Lesser Crested Tern is Not Evaluated.

Taxonomic Classification

Rank	Indo-Pacific Bottlenose Dolphin	Lesser Crested 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	Tursiops (Bottlenose Dolphins)	Thalasseus
Species	Tursiops aduncus	Thalasseus bengalensis

Evolutionary Relationship

Indo-Pacific Bottlenose Dolphin and Lesser Crested Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Indo-Pacific Bottlenose Dolphin

NT — Near Threatened

Lesser Crested Tern

NE — Not Evaluated

Physical Characteristics

Attribute	Indo-Pacific Bottlenose Dolphin	Lesser Crested Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indo-Pacific Bottlenose Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Lesser Crested Tern

Habitat

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

Range

Distributed across Norway and Sweden.