A shy creature, distantly related to the elephant, which communicates by chirps, whistles and barks – the dugong may be one of Moreton Bay’s least seen and most fascinating inhabitants. Approximately 1000 dugongs live in the warm waters of the sheltered and shallow bay. Globally, however, there are serious threats to this gentle animal’s survival. The World Conservation Union lists the dugong as vulnerable to extinction. The name dugong derives from a Malay word meaning Lady of the Sea, yet elsewhere they are less-flatteringly referred to as Sea Cows, due to their diet of seagrass. They are the only marine herbivorous sea mammals in the world and have been observed to suckle their young for up to five years, even though calves start eating seagrass at three months old. Solitary animals, they travel alone or in pairs for most of their 70-year lifespan, although they have been seen in herds of 10 to 300. Their distant relationship to the elephant goes some way to explaining the