A good article here.
http://goaustralia.about.com/od/anim.../a/migaloo.htm
Also, a news item stated that the japs are going to target Migaloo, as his flesh would fetch 10 times the going price.
I think that Rudd might wave a feather at the japs, rather than send a warship to defend the whales in the southern seas, due to the huge trade pacts.