START A PETITION 27,000,000 members: the world's largest community for good
START A PETITION
x
Group Discussions
2 years ago
Dolphins Use Double Sonar: Researchers Discover That Dolphins Can Generate Two Sound Beam Projections Simultaneously

Josefin Starkhammar. (Credit: Image courtesy of Lund University)
Related Stories
Sonar Inspired by Dolphins: New Kind of Underwater Device Can Detect Objects Through Bubble Clouds (Nov. 17, 2010) — Scientists have developed a new kind of underwater sonar device that can detect objects through bubble clouds that would effectively blind standard ...  > read more
Dolphins Maintain Round-The-Clock Visual Vigilance (May 1, 2009) — Even when a dolphin sleeps, half of its brain remains conscious. Knowing this, biologists wondered whether dolphins tire of keeping an eye on things. Monitoring for physical signs of sleep ...  > read more
Dolphins Cultivate Loose Alliances (Mar. 29, 2012) — Dolphins behave uniquely. On the one hand, male dolphins form alliances with others; on the other hand, they live in an open social structure. Anthropologists from the University of Zurich detected ...  > read more
Dolphins Use Diplomacy in Their Communication, Biologists Find (June 9, 2010) — Marine biologists are studying the repertoire of sounds used by bottlenose dolphins to communicate. The study reveals stunning complexity in dolphin communication and our lack of understanding about ...  > read more
False Killer Whales Use Acoustic Squint to Target Prey (Mar. 22, 2012) — Toothed whales and dolphins are remarkable accurate hunters, considering that they locate prey using echolocation alone, so how do they pull this off? Biologists tested the echolocation skills of a ...  > read more
2 years ago

very welcome Mette

 

Dolphin Cognitive Abilities Raise Ethical Questions, Says Emory Neuroscientist

Many modern dolphin brains are significantly larger than those of humans and second in mass to the human brain when corrected for body size. (Credit: iStockphoto/Clint Spencer)
2 years ago

Thank you Agnes for posting stories, news and petitions for all of us in this group to read and react to. Thank you also on behalf of all the whales and dolphins out there who are voiceless in our world and who need someone to speak on their behalf. You do such a great job with your enthusiasm and commitment to the cause.

2 years ago

Tour Operator Talks to Dolphins

Amazing technology previously only available in the scientific community that allows humans to talk to dolphins is being launched by leading New Zealand tourism operator Black Cat Cruises.
http://www.voxy.co.nz/files/imagecache/article_extra_large/files/dolphin.jpg
2 years ago
Dolphins: Second-Smartest Animals?
dolphin

New MRI scans of dolphin brains shows that the animals are second only to humans in intelligence.
iStockPhoto

THE GIST:

  • New research suggests that dolphins are second only to humans in smarts.
  • MRI scans indicate that these marine mammals are self-aware.
  • Researchers think dolphins are especially vulnerable to suffering and trauma.

 

 

Abilities, Intelligent, Whales and dolphins 'should have legal rights'
3 years ago
This thread is archived. To reply to it you must re-activate it.