It is not often that Peru, the United Kingdon and monkeys are mentioned in the same breath. However on the occasion of the Congress of the International Primatological Society 2008 in Edinburgh we have visiting the UK this week Fanny-Maria Cornejo Fernandez from the Museum of Natural History of the Universidad Mayor de San Marcos, Lima. Fanny's field work and her presentation at the Congress dealt with "Aspects of the Ecology and Behavior of the Yellow Tailed Woolly Monkey (Oreonax flavicauda Humboldt 1912)" This monkey is particularly endangered and it is worth spending time and space here looking at Fanny's work. The habitat of the monkey is the eastern slopes (the Cloud Forest) of the Andes in the Chachapoyas-Tarapoto area and the specific field-work took place at Abra Patricia – Alto N