whales

Blue whale

Blue whales - among the loudest animals in the oceans - are singing a little flat, and there may now be more clues as to why.

dolphin

Size doesn't always matter when it comes to the pitch of your voice, especially if you're an aquatic mammal, write Kobe Martin and Tracey Rogers.

whale

Songs of marine animals can help us discover new populations, write Joy Tripovich and Tracey Rogers.