New population of pygmy blue whales discovered with help of bomb detectors

Source: Science Daily

Blue whales may be the biggest animals in the world, but they’re also some of the hardest to find. A team of scientists are confident they’ve discovered a new population of pygmy blue whales, the smallest subspecies of blue whales, in the Indian Ocean. And it was the whales’ powerful singing — recorded by underwater bomb detectors — that gave them away.