Orcas were spotted hunting dolphins off the coast of San Diego, in a graphic new drone video. This behavior is normal, especially since this pod of killer whales specializes in eating dolphins.
Blue whales are not only the largest animal on earth today but the largest known animal ever to have lived on earth. The largest blue whale ever recorded weighed over 199 tons. Even average-sized blue ...
As io9 explains, researchers in Britain and China studied the genetic material of twelve whale and dolphin species, including bottlenose dolphins and sperm whales (those are the ones you are probably ...
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