Mammal

Mona Monkey

Cercopithecus mona

Also known as Mona Guenon

Mona monkeys navigate the forest canopy in lively troops, using long tails for balance and expandable cheek pouches to stash harvested fruit while foraging. Dominant males produce deep, resonant boom calls that echo through the trees to broadcast territory boundaries to rival groups. Introduced to Grenada centuries ago, island populations have successfully adapted to tropical fruit orchards alongside their native West African rainforest haunts.

ArborealDiurnalSocial

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Near ThreatenedConservation status

Key facts

Diet & preyTropical Fruits, Tree Leaves, Insects

Predators

Leopards
African Crowned Eagles
Chimpanzees

ThreatsHabitat loss, forest fragmentation, bushmeat hunting

HabitatsLowland rainforests, gallery forests, mangrove swamps

Life span15–20 years (wild), up to 30 years (captivity)

Classification

FamilyCercopithecidae
SpeciesCercopithecus mona

Range & activity

Native

Safe observation

Interaction riskLow

Low
Moderate
High
Very high

Why interaction risk is low: May bite or scratch if cornered or handled; observe quietly from a safe distance.
What to notice: Look for agouti brown fur, a white rump, black limbs, and a blue-grey face with a dark brow stripe.
Support conservation: Observe troops quietly without attempting to approach, feed, or mimic vocalizations.

Responsible observation

Maintain Distance: Stay far enough away to avoid causing stress or provoking defensive responses.
Never Feed: Withhold food to prevent habituation and dangerous begging behaviors.
Listen Carefully: Watch for sudden alarm chatter or male boom calls indicating troop movement.

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