Whales

Second whale found dead in Thames in 10 days

Satellites to monitor whale strandings from space

Satellites used to re-investigate whale stranding. Audio, 00:09:34Satellites used to re-investigate whale stranding

Satellites used to spot mass strandings of whales. Video, 00:00:15Satellites used to spot mass strandings of whales

Washed-up whale had 'agonising death'

Southwest Atlantic humpbacks recovering

Humpback whale seen in Thames found dead

Pregnant whale found tangled in 'ghost gear'

Humpback whale spotted in the Thames. Video, 00:00:46Humpback whale spotted in the Thames

'Humpback whale' spotted swimming in Thames

Whale calf rescued from netting in Australia. Video, 00:00:27Whale calf rescued from netting in Australia

How to weigh a whale without a scale

Northern bottlenose whale filmed swimming in Wales. Video, 00:00:21Northern bottlenose whale filmed swimming in Wales

Whale spotted off Welsh coast in rare sighting

Whale carcass encountered on deep sea survey

'Cocktail of pollutants' found in dolphins

How Japan's appetite for watching whales is growing. Video, 00:02:55How Japan's appetite for watching whales is growing

Stranded whales: Numbers on the rise around UK

Robot deployed to listen for whales

Japan begins controversial Taiji dolphin hunt

Where whales are back on the menu. Video, 00:03:11Where whales are back on the menu

Benny the beluga 'no longer in Thames'

The people risking their lives to save whales