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Shark spotting and dolphins diving off the coast. Video, 00:01:59Shark spotting and dolphins diving off the coast

Fears for 'emaciated' humpback whale

'Second largest species' of whale found on beach

Drone cameras record social lives of killer whales. Video, 00:03:09Drone cameras record social lives of killer whales

'Oh my God, I'm in a whale's mouth' Video, 00:01:42'Oh my God, I'm in a whale's mouth'

Backlash against 'frightening' tests on whales

Amateur photographer snaps 'amazing' whale breach

‘Unbelievable’ whale super-group caught on camera. Video, 00:02:23‘Unbelievable’ whale super-group caught on camera

Dolphin photographed in 'magical' mid-air leap

'We found a fortune in the belly of a whale' Video, 00:03:09'We found a fortune in the belly of a whale'

A lost whale - 6,000 miles from home. Video, 00:02:14A lost whale - 6,000 miles from home

River Thames whale had starved 'over a few days'

Stranded River Thames whale put down

Thames whale spotted in Teddington after escape. Video, 00:00:40Thames whale spotted in Teddington after escape

Rescue operation to help whale stranded in Thames

Stranded whale stuck in River Thames. Video, 00:00:27Stranded whale stuck in River Thames

Surge in whale sightings off coast of Cornwall. Video, 00:01:44Surge in whale sightings off coast of Cornwall

Teenage blacksmith forges social media following. Video, 00:02:19Teenage blacksmith forges social media following

Whale death sparks conservation conversation

Thirty-tonne dead whale buried at landfill site

Whale named Humpy washed up dead on beach

Radio 1's Deep Sleepscapes. Whale Song. Audio, 30 minutesRadio 1's Deep Sleepscapes