Dolphin - Wikipedia
How do Whales and Dolphins Sleep Without Drowning? - Scientific American
Dolphins Dying in Unusually High Numbers in Gulf of Mexico, Scientists Say | The Weather Channel
Third dolphin dies at Arizona aquatic facility
Dolphins in Black Sea Dying by the Thousands During Russia-Ukraine War
Unusually high number of dolphins dying this summer
Mystery as number of dolphins dying on beaches triples - Independent.ie
In the Wake of the Deepwater Horizon Oil Spill, Gulf Dolphins Found Sick and Dying in Larger Numbers Than Ever Before | response.restoration.noaa.gov
261 bottlenose dolphins have washed dead up along the Gulf Coast since February: NOAA - ABC News
Dolphins Keep Dying on a Beach in Brazil, And No One Knows Why : ScienceAlert
Dolphin deaths in fishing nets – 30 years and what's been done? - Whale and Dolphin Conservation
How Long Can Dolphins Stay Out of Water? - Harbor Breeze Cruises
Death in dolphins: do they understand they are mortal? | New Scientist
Scores of Dolphins Are Dying and No One Knows Why
Dolphin dies after being struck by propeller in St Austell Bay - BBC News
Feds monitor Dolphinaris Arizona after four dolphin deaths
Explained: How thousands of dolphins are dying in the Black Sea due to Ukraine war
Hundreds of dolphins have died along Gulf Coast since February, scientists say | Dolphins | The Guardian
Die-off of bottlenose dolphins, linked to virus, is worst in a quarter-century - The Washington Post
SWIMMING WITH DOLPHINS: Dying in the Wild, Festering in Captivity - Wave Train
Five dolphins die in 'highly unusual stranding event' - BBC News
Dolphins keep dying mysteriously at this Las Vegas casino
