Killer whales

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

Video shows orca learning to hunt birds off Orkney. Video, 00:00:26Video shows orca learning to hunt birds off Orkney

Trapped orcas escape from drift ice near Japan

Orcas trapped in drift ice off the coast of Japan. Video, 00:00:33Orcas trapped in drift ice off the coast of Japan

The Inquiry. Are orcas OK? Audio, 23 minutesThe Inquiry

Rare video shows killer whale teaching its baby to hunt. Video, 00:01:32Rare video shows killer whale teaching its baby to hunt

Lives Less Ordinary. 38 days: a family adrift in the Pacific. Audio, 47 minutesLives Less Ordinary

Naturebang. Killer Whales and the Mystery of the Menopause. Audio, 15 minutesNaturebang

Orcas 'learning from adults' to target boats

Atlantic orcas filmed 'learning from adults' to ram boats. Video, 00:01:25Atlantic orcas filmed 'learning from adults' to ram boats

Orca mothers keep 5-tonne sons out of trouble