Red-handed tamarins, a species of monkey, is able to change its 'accent' to avoid conflict when it enters the territory of another species, a study has revealed. Examining the behaviour of 15 groups of two types of tamarin monkeys living in the Brazilian Amazon allowed Anglia Ruskin University scientists to make the discovery. They found that red handed-tamarins adopt the long calls used by pied tamarins when they enter their ...