Collins' Squirrel Monkey vs red-shanked douc

Saimiri collinsi compared with Pygathrix nemaeus

Key Differences

• Collins' Squirrel Monkey is Least Concern while red-shanked douc is Critically Endangered.

Taxonomic Classification

Rank	Collins' Squirrel Monkey	red-shanked douc
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	Pygathrix
Species	Saimiri collinsi	Pygathrix nemaeus

Evolutionary Relationship

Collins' Squirrel Monkey and red-shanked douc share a common ancestor at the Order level: Primates. (Primates)

Conservation Status

Collins' Squirrel Monkey

LC — Least Concern

red-shanked douc

CR — Critically Endangered

Physical Characteristics

Attribute	Collins' Squirrel Monkey	red-shanked douc
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Collins' Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

red-shanked douc

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Collins' Squirrel Monkey

<em>Saimiri collinsi</em>, commonly known as Collins' Squirrel Monkey, is a primate species belonging to the genus <em>Saimiri</em> within the family Cebidae. Squirrel monkeys are small, highly social New World primates known for their agility in forest canopies and their complex group dynamics. This species is assessed as Least Concern by major conservation bodies, indicating that its populations are not currently considered at high risk of decline, though ongoing deforestation and habitat fragmentation in Amazonian regions may affect future population stability. Collins' Squirrel Monkey inhabits diverse terrestrial and aquatic-adjacent environments typical of tropical forest ecosystems in South America. Specific country-level distributional records are not detailed in current documentation. Dietary information specific to this species has not been recorded, though squirrel monkeys in general are omnivorous, consuming insects, small vertebrates, fruits, and other plant material. Biological traits of this species remain poorly documented in the scientific literature. Research into the taxonomy and ecology of <em>Saimiri collinsi</em> continues to refine understanding of squirrel monkey diversity.