BOATERS are being asked to watch out for southern right whales which have made their seasonal return to Victorian coastal waters. The Conservation Regulator says southern right whales visit Victoria’s coast from May to October to give birth and raise their young.Restrictions on boats include lowering engine noises which can interrupt whispering between mothers and calves to avoid predators. It is believed there are about 300 southern rights left in the south-east population. The endangered whales are vulnerable to vessel strikes, and boaters are being encouraged to watch out for the whales as they have no dorsal fin and can…