Humboldt's Squirrel Monkey vs Periquito Robber Frog

Saimiri cassiquiarensis compared with Pristimantis stenodiscus

Key Differences

• Humboldt's Squirrel Monkey is Near Threatened while Periquito Robber Frog is Critically Endangered.

Taxonomic Classification

Rank	Humboldt's Squirrel Monkey	Periquito Robber Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Anura (Frogs & Toads)
Family	Cebidae	Craugastoridae
Genus	Saimiri	Pristimantis
Species	Saimiri cassiquiarensis	Pristimantis stenodiscus

Evolutionary Relationship

Humboldt's Squirrel Monkey and Periquito Robber Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Humboldt's Squirrel Monkey

NT — Near Threatened

Periquito Robber Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Humboldt's Squirrel Monkey	Periquito Robber Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Humboldt's Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Periquito Robber Frog

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Venezuela. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.