Guiana Dolphin vs Lesser Crested Tern

Sotalia guianensis compared with Thalasseus bengalensis

Key Differences

• Guiana Dolphin is Data Deficient while Lesser Crested Tern is Not Evaluated.

Taxonomic Classification

Rank	Guiana 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	Sotalia	Thalasseus
Species	Sotalia guianensis	Thalasseus bengalensis

Evolutionary Relationship

Guiana Dolphin and Lesser Crested Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guiana Dolphin

DD — Data Deficient

Lesser Crested Tern

NE — Not Evaluated

Physical Characteristics

Attribute	Guiana Dolphin	Lesser Crested Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Lesser Crested Tern

Habitat

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

Range

Distributed across Norway and Sweden.