Gray-shanked Douc Langur vs Humboldt's Squirrel Monkey

Pygathrix cinerea compared with Saimiri cassiquiarensis

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Humboldt's Squirrel Monkey is Near Threatened.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Humboldt's Squirrel 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	Cercopithecidae (Old World Monkeys)	Cebidae
Genus	Pygathrix	Saimiri
Species	Pygathrix cinerea	Saimiri cassiquiarensis

Evolutionary Relationship

Gray-shanked Douc Langur and Humboldt's Squirrel Monkey share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Humboldt's Squirrel Monkey

NT — Near Threatened

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Humboldt's Squirrel Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.