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 (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (鸻形目)
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. (脊索动物门)

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

流苏鹬（Calidris pugnax）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布且数量丰富，种群稳定，无迫切保护忧虑。

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela