Amazon River Dolphin vs Lesser Golden-bellied Rice Rat

Inia geoffrensis compared with Nephelomys nimbosus

Key Differences

• Amazon River Dolphin is Data Deficient while Lesser Golden-bellied Rice Rat is Vulnerable.

Taxonomic Classification

Rank	Amazon River Dolphin	Lesser Golden-bellied Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Iniidae	Cricetidae
Genus	Inia	Nephelomys
Species	Inia geoffrensis	Nephelomys nimbosus

Evolutionary Relationship

Amazon River Dolphin and Lesser Golden-bellied Rice Rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Lesser Golden-bellied Rice Rat

VU — Vulnerable

Physical Characteristics

Attribute	Amazon River Dolphin	Lesser Golden-bellied Rice Rat
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.

Lesser Golden-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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