My understanding is that while there were substantial "land bridges" at the time Australia was initially colonized, nevertheless sea crossings were still requir

My understanding is that while there were substantial "land bridges" at the time Australia was initially colonized, nevertheless sea crossings were still required. But it's a bit tough to follow honestly, do you have a clearer picture? https://en.wikipedia.org/wiki/Prehistory_of_Australia https://en.wikipedia.org/wiki/Prehistory_of_Australia