The density of a population is an indicator of its relative success when compared to the other populations within the same species. Few studies have examined population densities of Cercopithecus mona in its original range in Africa [1,2]. Previous to . . .

Forest dwelling mona monkeys (Cercopithecus mona) were introduced to the Caribbean island of Grenada and the Gulf of Guinea islands of São Tomé and Príncipe 200–500 years ago and have remained isolated from their African mainland conspecifics for at l . . .