Bridled Tern vs Guiana Dolphin

Onychoprion anaethetus compared with Sotalia guianensis

Key Differences

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

Taxonomic Classification

Rank	Bridled Tern	Guiana 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	Onychoprion	Sotalia
Species	Onychoprion anaethetus	Sotalia guianensis

Evolutionary Relationship

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

Conservation Status

Bridled Tern

LC — Least Concern

Guiana Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Bridled Tern	Guiana Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridled Tern

Habitat

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

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Bridled Tern

The Bridled Tern (Onychoprion anaethetus) is a species in the genus Onychoprion. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela