Guiana Dolphin vs Least Tern

Sotalia guianensis compared with Sternula antillarum

Key Differences

• Guiana Dolphin is Data Deficient while Least Tern is Least Concern.

Taxonomic Classification

Rank	Guiana Dolphin	Least 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	Sternula
Species	Sotalia guianensis	Sternula antillarum

Evolutionary Relationship

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

Conservation Status

Guiana Dolphin

DD — Data Deficient

Least Tern

LC — Least Concern

Physical Characteristics

Attribute	Guiana Dolphin	Least 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.

Least Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela