EarthSky | Dolphins may use whistles like humans use names earthsky.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from earthsky.org Daily Mail and Mail on Sunday newspapers.
Researchers hope a new sonar technology, which triggers a nails-on-chalkboard-like reflex to seals and sea lions, could be a tool to protect the endangered fish.
Conservationists Are Scaring Seals to Save Fish theatlantic.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theatlantic.com Daily Mail and Mail on Sunday newspapers.