Predatory black-and-white toothed whale with large dorsal fin; common in cold seas.
1These are the orca that are being studied in the Ross Sea.
2The young male orca had been trapped in the line since Monday.
3Staff determined the sex of orca by analysing the mammal's physical characteristics.
4SeaWorld has previously announced that it would phase out live orca shows.
5An orca stranded at Patea Beach overnight has died despite rescue attempts.
6It is very unusual for orca whales to swim into confined waters.
7Reaching the orca's back, the young male mounted quickly and was gone.
8And she says that provides important information about how orca can survive strandings.
9An orca was captured alive in 2003 and released alive, the report said.
10She is the only researcher specializing in orca whales in New Zealand waters.
11More orca tooth marks are found on humpbacks than any other whale species.
12He blew air loudly between his lips like an irritated orca.
13The face's mouth and the orca's blowhole were the same thing.
14It was the first recorded killing of a human by an orca whale.
15It could smell the poop of the orca whale. Levitt says.
16US theme park operator SeaWorld says it is ending its controversial orca breeding programme.