Upside‑down whales aren't sick or hurt—they're just resting

If you stand on one of Australia's southern shorelines at this time of year, you might be lucky enough to spot a southern right whale (Eubalaena australis) swimming in the shallow waters.

These ocean giants have migrated from the Southern Ocean and Antarctica to breed, give birth and rest.

If you're really lucky, you may even see one of them resting upside down. ...