well played steve. my wife liked it also.

dmcg,-thanks but I did not see much to argue with there , and pretty much seems to accord with creationist belief....assuming that when you say "new species" we are talking about the same kind of animal.
but I think you misunderstood, as I was only asking what the convincing theory was concerning the geographical settling of marsupials.

actual,- gravity is observable, testable science , which is why creationists believe in it. I leave the doubting of operational science to atheists who think all came from nothing via no one.