It seems Bertie has a hobby. The next doors put their labrador ihn the garden. Bertie goes over and pops his head over the fence. Dog barks. Bertie hides. Dog eventually stops barking. Bertie walks along the fence. Dog goes berserk. Bertie watches him. Bertie noooo:hides. Dog woofs and then stops. Bertie pokes head up again. And so on. Every five minutes