How do you crocodiles talk to each other?

Yes the best way to describe it is a bellow or deep growl, almost echoing. Here is a link to an alligator growl, YouTube.com/watch?v=l3rzkrm98J0&feature=fvwrel.">http://www.YouTube.com/watch?v=l3rzkrm98J0&feature=fvwrel.