Katina, the matriarch of the SeaWorld Orlando orca pod, sustained a huge cut into the backside of her dorsal fin in what SeaWorld believes to be the result of interactions with other members of ...

A matriarch of her orca pod, SeaWorld killer whale “Katina” suffered a tear to her dorsal fin while interacting with several other killer whales March 17, the amusement park stated in a blog ...

On March 17, SeaWorld killer whale “Katina,” a matriarch of her orca pond, suffered a tear to her dorsal fin, the organization stated in a blog post Saturday. Theme park officials said it is ...

Behind the dorsal fin is a grey area called a saddle patch. The shape of the dorsal fin and saddle patch, as well as the marks and scars on them are unique to each orca. Orcas live in groups, called ...

An orca named L82 Kasatka swims in front of Mt. Rainier, with a strand of eelgrass trailing from her dorsal fin. She belongs to the Southern Resident orca population, a critically endangered group ...

A transient orca with a "cult following" among whale watchers thanks to a tell-tale dorsal fin has been spotted near Boundary Pass in British Columbia's Gulf Islands. Chainsaw, as the male ...