Amazon River Dolphin vs Ruff

Inia geoffrensis compared with Calidris pugnax

Key Differences

• Amazon River Dolphin is Data Deficient while Ruff is Least Concern.

Taxonomic Classification

Rank	Amazon River Dolphin	Ruff
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	Scolopacidae
Genus	Inia	Calidris
Species	Inia geoffrensis	Calidris pugnax

Evolutionary Relationship

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

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Amazon River Dolphin	Ruff
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.

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

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.

Ruff

Ruff (Calidris pugnax) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela