Many modern dolphin brains are significantly larger than those of humans and second in mass to the human brain when corrected for body size, says an Emory scientist. Some dolphin brains exhibit features correlated with complex ...
Plants & Animals
Feb 18, 2010
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Whistling while you work isn't just a distraction for some people. More than 80 cultures employ a whistled form of their native language to communicate over long distances. A multidisciplinary team of scientists believe that ...
Other
Sep 21, 2021
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(PhysOrg.com)—With high-pitched squeaks, clicks and chirps and ultra-sensitive hearing, toothed whales and some bats zero in on prey by emitting pulses of sound and interpreting the echoes that bounce back.
Plants & Animals
Jan 25, 2010
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Dolphins are known to marine biologists as sentinel animals, if they are ailing, we humans may be next. The Indian River Lagoon, an ecologically diverse estuary that covers 40 percent of Florida's east coast, is ailing. ...
Plants & Animals
Aug 19, 2015
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Scientists are trying to figure out what killed 53 bottlenose dolphins - many of them babies - so far this year in the Gulf of Mexico, as five more of their carcasses washed up Thursday in Louisiana, Mississippi and Alabama.
Environment
Feb 26, 2011
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The health of dolphin populations worldwide depends on sustained access to robust food sources.
Plants & Animals
Aug 2, 2017
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(PhysOrg.com) -- In a recent study published in Animal Behaviour by Dalhousie University biologists Hal Whitehead and Shane Gero, the concept that sperm whales (Physeter macrocephalus) are individuals is being learned.
Conservation group WWF said it spotted 18 critically endangered Irrawaddy dolphins in Indonesian waters off Borneo island Tuesday and called for greater protection of the species' habitat.
Plants & Animals
Feb 7, 2012
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Dolphins sleep with only one half of their brains at a time, and according to new research published Oct. 17 in the open access journal PLOS ONE, this trait allows them to stay constantly alert for at least 15 days in a row. ...
Plants & Animals
Oct 17, 2012
6
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Until now, the scientific community had thought that whistles were the main sounds made by these mammals, and were unaware of the importance and use of burst-pulsed sounds. Researchers from the Bottlenose Dolphin Research ...
Plants & Animals
Jun 9, 2010
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