Is There a Miracle in the World Wide Flood?

Could god have guided them there the same way he guided them to the ark in the first place? He could have. But now we're proposing another miracle that isn't mentioned in the bible. And we need one more, because these animals are dent on other plants and animals in their native eko systems, and those eko systems don't exist in the middle east. So how did they survive the year's long trip to their ultimate destinations? And how did they get to places like australia, which is surrounded by ocean? I mean, you'd need to posit even more miracles, like gods suddenly endowing all the australian marsupials with the ability to swim