Humboldt's Squirrel Monkey vs Red-tailed Monkey

Saimiri cassiquiarensis compared with Cercopithecus ascanius

Key Differences

• Humboldt's Squirrel Monkey is Near Threatened while Red-tailed Monkey is Least Concern.

Taxonomic Classification

Rank	Humboldt's Squirrel Monkey	Red-tailed Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Primates (Primates)	Primates (Primates)
Family	Cebidae	Cercopithecidae (Old World Monkeys)
Genus	Saimiri	Cercopithecus
Species	Saimiri cassiquiarensis	Cercopithecus ascanius

Evolutionary Relationship

Humboldt's Squirrel Monkey and Red-tailed Monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Humboldt's Squirrel Monkey

NT — Near Threatened

Red-tailed Monkey

LC — Least Concern

Physical Characteristics

Attribute	Humboldt's Squirrel Monkey	Red-tailed Monkey
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.

Red-tailed Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.