Chaochiao Lazy Toad vs Gray-bellied Night Monkey

Oreolalax rugosus compared with Aotus lemurinus

Key Differences

• Chaochiao Lazy Toad is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Chaochiao Lazy Toad	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Primates (Primates)
Family	Megophryidae	Aotidae
Genus	Oreolalax	Aotus
Species	Oreolalax rugosus	Aotus lemurinus

Evolutionary Relationship

Chaochiao Lazy Toad and Gray-bellied Night Monkey share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chaochiao Lazy Toad

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Chaochiao Lazy Toad	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chaochiao Lazy Toad

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Chaochiao Lazy Toad

The Chaochiao Lazy Toad (Oreolalax rugosus) is a species in the genus Oreolalax. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.