Explaining on Instagram: "Sophia, a 60-year-old grandmother orca, made history after being captured on video killing a great white shark entirely on her own. While orcas are known to hunt sharks in coordinated pods, this marked the first documented case of a lone killer whale successfully taking down a great white on camera. The footage stunned marine researchers, as great white sharks are apex predators that usually face little threat in open waters. Orcas that hunt sharks typically rely on tea