Stunning creatures! I didn't see them as they were in the zoo hospital at the time of my visit in 2007, having been found on separate beaches not long before, I think both very young but now they seem fully grown. Which genders are they? If 1.1 there is a distant possibility of breeding, presumably the first one in history! I did see the late Brooke, however, one of the most memorable animals of my entire zoo visiting time!