In a new study, scientists wanted to find out why sperm whales sometimes release bubbles while they snooze – this is what they found.
Sleeping sperm whales hover several metres below the surface of the water lined up vertically like a row of toy soldiers.
Now, scientists have shown these napping whales have a nifty way to manage … [+3774 chars]
Now, scientists have shown these napping whales have a nifty way to manage … [+3774 chars]