Duncan is about 1 1/2 but I'm not exactly sure since he was adopted....This is the vet's best guess....
His favorite ball is definitely the one Jack, his housemate has....Duncan is pretty easy going about toys though. Jack is obsessed with them and will gather them all up and try to carry them all around with him. Duncan just looks at him and shrugs and runs off to play somewhere else. Well, if he could shrug... he would....