The Townsville Water Police floating headquarters vessel Brett Irwin ,pictured, is fast becoming an aviary of fake birds to frighten off the real McCoy from messing things up on deck . So far , North Australia's only S(h)ipping ) Reporter has counted three mock birds ... two owls and a bird of prey aboard . In this pictorial shot across the stern , an owl can be seen swinging on a perch and a more solid bird of prey is sitting on top of what appears to be the airconditioner housing .Another frightener is shown below on the bow. It is presumed that the growing flock of bogus birds are put in a locker when the vessel puts out to sea .