Humboldt's Squirrel Monkey vs Thomas's langur

Saimiri cassiquiarensis compared with Presbytis thomasi

Key Differences

• Humboldt's Squirrel Monkey is Near Threatened while Thomas's langur is Vulnerable.

Taxonomic Classification

Rank	Humboldt's Squirrel Monkey	Thomas's langur
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	Presbytis
Species	Saimiri cassiquiarensis	Presbytis thomasi

Evolutionary Relationship

Humboldt's Squirrel Monkey and Thomas's langur share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Humboldt's Squirrel Monkey

NT — Near Threatened

Thomas's langur

VU — Vulnerable

Physical Characteristics

Attribute	Humboldt's Squirrel Monkey	Thomas's langur
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.

Thomas's langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.