New population of blue whales discovered in the western Indian ocean An international team of researchers has discovered what it believes to be a new population of blue whales in the western Indian Ocean. Blue whales are the largest animals that have ever lived on our planet, and they are found around the globe in all oceans. All blue whales sing very low-pitched and recognizable songs, and conveniently for researchers, every population has its own unique song. In a recently published paper in the journal Endangered Species Research, the researchers describe a new blue whale song that is hear...