Dusky Dolphin vs Lesser Golden-bellied Rice Rat

Lagenorhynchus obscurus compared with Nephelomys nimbosus

Key Differences

• Dusky Dolphin is Least Concern while Lesser Golden-bellied Rice Rat is Vulnerable.

Taxonomic Classification

Rank	Dusky Dolphin	Lesser Golden-bellied Rice Rat
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Cetacea (Whales & Dolphins)	Rodentia (Bộ Gặm nhấm)
Family	Delphinidae (Oceanic Dolphins)	Cricetidae
Genus	Lagenorhynchus	Nephelomys
Species	Lagenorhynchus obscurus	Nephelomys nimbosus

Evolutionary Relationship

Dusky Dolphin and Lesser Golden-bellied Rice Rat share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Dusky Dolphin

LC — Least Concern

Lesser Golden-bellied Rice Rat

VU — Vulnerable

Physical Characteristics

Attribute	Dusky Dolphin	Lesser Golden-bellied Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.