[Image: The EcoVenturist / Facebook] Wild killer whales once summoned whalers to work off Eden, on Australia’s south-east coast, slapping their tails on the water before leading the rowing boats towards their prey. At Twofold Bay, the hunters in the boats and those beneath them shared the catch. The Eden Killer Whale Museum preserves the history of that partnership, including the skeleton of its most famous participant, an orca called Old Tom. T…