The most elusive whales reveal their secrets in their wakes
We know almost nothing about the enormous beaked whales because they spend so much time deep underwater, but a new DNA technique could unmask them
Virtuoso bowhead whales constantly make up new songs
Bowhead whales are such talented singers they can make two sounds simultaneously, and they invent new songs every year
Endangered dolphin with broken blowhole learns to mouth-breathe
What to do when your blowhole is blocked? A dolphin has learned to breathe through its mouth instead, even though it’s not usually an option for them
All you need to know about whale strandings in the UK and Europe
Several whales have been stranded on the coasts of the UK, Germany and the Netherlands this week. Here's the lowdown
