Rare video captures orca pod hunting a pygmy sperm whale National How do orcas communicate? Southern Resident killer whales Orca Behavior Institute Orca Behavior: Pods, Social Activity, Communication and Reproduction An Orca Pod Sinks a 50 Foot Yacht in Gibraltar Animals Around The Globe. Size Bust 80 100 Length 57(cm) Size Bust 31. 4 39. 3 Length 22. 4(inches) Note: The size charts are all measured manually. There may be an error of 2 3CM due to different reasons such as different fabrics, thicknesses, fabric elasticities, etc. This is normal.