Killer whales

Killer whales and dolphins seen hunting together in rare video. Video, 00:01:17Killer whales and dolphins seen hunting together in rare video

Cameras on killer whales record first evidence of joint hunt with dolphins Video, 00:01:17Cameras on killer whales record first evidence of joint hunt with dolphins

Watch: Seal jumps aboard US photographer's boat to escape orcas. Video, 00:00:57Watch: Seal jumps aboard US photographer's boat to escape orcas

Delight over reported sighting of orca calf in pod

For orca left in limbo, zoo resorts to sexual stimulation to stop inbreeding

Iberian orca seen for first time in Cornish waters

Killer whales make kelp tools to 'massage' each other

Orcas 'deliberately disturbed by speedboat'

Killer whales seen hunting seals by Farne Islands

Fishing boat's very close encounter with orca. Video, 00:00:54Fishing boat's very close encounter with orca

Stranded killer whales 'must leave now' as rehoming options shrink

What's the point of the menopause? Video, 00:05:25What's the point of the menopause?

'They don't belong in the Med': Fate of mother orca and son still uncertain

'Humans are all they know' - Fate of whales uncertain as marine zoo shuts

Bereaved whale spotted pushing another dead calf

Watch a very close encounter with orcas in Lerwick. Video, 00:00:31Watch a very close encounter with orcas in Lerwick

Open Country. Wildlife Watching on Mull. Audio, 24 minutesOpen Country

The Life Scientific. Darren Croft on killer whale matriarchs and the menopause. Audio, 28 minutesThe Life Scientific

Yacht sinks after being rammed by orcas in Strait of Gibraltar

Baby orca free after month trapped in Canadian lagoon

Mystery over spate of dead porpoises along coast

Killer whale v shark: Solo orca eats great white. Video, 00:00:37Killer whale v shark: Solo orca eats great white

Killer whale v shark: Solo orca eats great white