Almost all I know about crocs, I learned in Australia.....where there are two kinds (forgive me if this has been said before, I didn't have time to read allllll of this thread!): saltwater, or "salties," and freshwater, or "freshies." The freshies are only dangerous if provoked, supposedly, and certainly are not lethal except under extraordinary circumstances - their jaws aren't large enough and they don't want to eat people - they want smaller prey. But salties will attack/eat anything, including each other, and they are VERY dangerous. Reminds me of a sign I saw in the Perth Zoo: "Nature asks two questions: Can I eat it? Can it eat me?" With salties, the answer to the first question would always be a resounding YES!