Amazon River Dolphin vs Elegant Tern

Inia geoffrensis compared with Thalasseus elegans

Key Differences

• Amazon River Dolphin is Data Deficient while Elegant Tern is Near Threatened.

Taxonomic Classification

Rank	Amazon River Dolphin	Elegant 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	Iniidae	Laridae
Genus	Inia	Thalasseus
Species	Inia geoffrensis	Thalasseus elegans

Evolutionary Relationship

Amazon River Dolphin and Elegant Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Elegant Tern

NT — Near Threatened

Physical Characteristics

Attribute	Amazon River Dolphin	Elegant Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Elegant Tern

Habitat

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

Range

Distributed across Belgium, Colombia, Denmark, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador