Judge for your self the accuracy of this - the Australian Border Force patrols may be very effective in stopping humans from legally entering but it appears that AHPRA is totally closed to the idea that birds migrate to seek food between continents. They travel long distances, for example from the Tundra all the way to Australasia and so on! http://www.theage.com.au/victoria/camberwell-gp-geoff-kemp-fighting-for-his-medical-licence-20160301-gn7lzk.html