some even giving birth on the way. ，。
expectant mothers make a less hurried journey， but humpbacks don’t usually swim in a straight line and may detour over greater distances. Various pods of humpback whales stagger their approach to the breeding grounds depending on their pace and motivations during migration. Juvenile humpback whales lead the journey with their youthful speed and their desire to gain a competitive advantage for feeding and mating opportunities. At the slower end of the spectrum，500 to 8。
These majestic creatures showcase their incredible endurance traversing from Antarctica to Australia’s tropical waters of the Great Barrier Reef in a relatively short timeframe. A direct route will clock their swim at approximately 6，000 kilometres one way。