‘Poulterer, Buenos Aires [Argentina]’. Photograph of a poulterer standing with his horse carrying cages of poultry on a street in Buenos Aires, Argentina in the early 20th century. Next to him is a man carrying a milk cannister, a man carrying two baskets of fruit and another man smoking a cigarette. http://images.is.ed.ac.uk/luna/servlet/s/19g4jxUniversity of Edinburgh’s new Chook MOOC will explain the general principles of chicken behaviour that can be used to assess welfare in chickens in hobby flocks or commercial farms. The focus is primarily on laying hens and meat chickens (broilers). The main course is likely to be of interest to people who own chickens as pets or keep a small hobby flock, commercial egg and chicken meat producers, veterinarians and vet nurses. You know who you are.