in the north east of ukraine. scientists have worked out how some of the largest whales in the ocean produce their haunting and complex songs. humpbacks and other whales have evolved a specialised voice box that enables them to sing underwater. lets take a listen. whale song the discovery, published in the journal nature, has also revealed why the noise we make in the ocean is so disruptive for these ocean giants. whale song is restricted to a narrow frequency that overlaps with the noise produced by ships. let's hear from the person who led this study, professor coen elemans from the department of biology at the university of denmark. what we learn is that the larynx or the voice box is functional and that was not clear up to now. also that they have evolved adaptations to still make sound underwater while they have to hold their breath and it is not very trivial. let's have another listen now because everyone will want some more whale song no doubt. whale song so they are amazing...