The orcas of Bremer Bay, Australia specialize in hunting various beaked whale species, but they also are the orcas that have been documented taking down blue whales. Bremer Bay orcas also have been documented feeding on squid and likely tuna, pointing to them having a more generalist diet compared many other orca populations. They visit Bremer Bay in southwestern mainly from January to April. This community of orcas appears to be one of the healthiest known populations in the world, with high birth and survival rates.

WA007 "Swirl" may just be playing with the intestines instead of planning on eating them. Mammal-eating orcas actually often avoid eating certain organs such as intestines, hearts, and lungs in pinnipeds, dolphins, and other marine mammalian prey. Bremer Bay orcas appear to target the skin and blubber of beaked whales, and likely the muscle tissue, an example of the selective consumption common amongst orcas.