I'm sure you will find some reason to reject this. Faith can make one blind.
By the way, a few paragraphs down it has some very good points agains Noahs flood story. Mainly that there would not have been a viable population of most of the species to have survived afterward. The post claims that species generally go extinct if they have less than 20 individuals, even with extreem help from humans. The most the Bible claims is 7 ea (or 2ea, depending on which verse). Also the human population would have been too small to have replaced itself by now. And there are no other contemporaneous recordings of the flood in Egyptian, Indus, or Chineese civilizations, which existed and had written histories at the time.
If the structural differences were no greater than what we can acheive by breeding dogs, then I'd say that the claim that this proves macro-evolution is a bit overblown. Of course, evolution, the creation story of secular humanism, is full of overblown statements and stretched (or fabricated) evidence, so that would hardly be a surprise to those of us who dare to look at it a little bit critically.