Biologists Finally Know What's Hunting Dolphins in Florida — And No One Can Explain Why

A healthy adult dolphin in Sarasota Bay, Florida was found dead with a bite wound wrapping nearly halfway around its body — and it shouldn't have been possible. For over fifty years, researchers tracking this population insisted adult bottlenose dolphins here had no natural predators. Then stranding records started telling a different story, with confirmed shark-kill wounds on adult dolphins climbing steadily since the early 2010s. This video breaks down what changed in the water off Florida's Gulf coast, and why the scientists still can't agree on why it's happening.