A pair of rare monkeys have recently been born at an East Sussex animal park. The Sulawesi black crested macaques were born at Drusillas Park to two different mothers within weeks of each other. The monkeys are on the critically endangered list because their natural habitat in Indonesia is under threat. It is thought the numbers in the wild have fallen 80% in the last 40 years. The programme at Drusillas is part of a European breeding programme to conserve the species.