Last Updated: Tuesday, September 24, 2013, 18:05
Six whales died after they beached themselves in the northeastern Brazilian state of Rio Grande do Norte, officials said Monday.
Last Updated: Friday, November 23, 2012, 19:11
Survival of whales and dolphins depends on the right kind of high-energy diet and not just any prey will do, scientists say.
Last Updated: Sunday, June 20, 2010, 18:31
Marine mammals are smarter than thought and share several attributes of humans, scientists say.
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