Head to head
Diana Monkey vs Vervet Monkey
The Diana monkey and vervet monkey are both guenon monkeys with distinct alarm-calling behaviour, but their ranges, appearance, and conservation outlook differ considerably.
| Diana Monkey | Vervet Monkey | |
|---|---|---|
| Scientific name | Cercopithecus diana | Chlorocebus pygerythrus |
| Distinctive marking | Crescent-shaped white brow band | Blue scrotum in males |
| Range | West Africa only | Much of sub-Saharan Africa |
| Habitat | Rainforest | Savanna, grassland |
| Population status | Restricted and declining | Widespread and abundant |
| Conservation status | Vulnerable | Least Concern |
| Population trend | Decreasing | Stable |
| Alarm call study | Predator-specific calls documented | Extensively studied, best documented |
Diana Monkey vs Vervet Monkey: common questions
Why is the Diana monkey named that?
This species has a crescent-shaped band of white fur across its brow said to resemble the bow carried by Diana, the Roman goddess of the hunt, a distinctive marking that gives the species its common name, quite different from the vervet monkey's own distinguishing features.
Which of these two guenons is more widespread?
The vervet monkey is far more widespread, found across savanna and grassland habitat throughout much of sub-Saharan Africa, while the Diana monkey is restricted to West African rainforest, a much smaller range that has contributed to its more precarious Vulnerable status.
Do both monkeys warn each other about predators the same way?
Both species produce alarm calls specific to different predator types, but the vervet monkey has been particularly well studied for this behaviour, with distinct calls documented for leopards, eagles, and snakes, while the Diana monkey shares a similar general pattern of predator-specific alarm calling common among guenon monkeys.