Alexander Forrest, a commercial drone pilot for the Organisation for the Rescue and Research of Cetaceans in Australia (ORRCA), was conducting aerial observations of migrating humpback whales (Megaptera novaeangliae) on July 28. ORRCA is a nonprofit organization focused on the rescue, conservation and welfare of marine mammals.
"It's incredibly rare to see a moment like this in the ocean. It's a very rarely documented encounter," Forrest told Live Science. "It's the first drone video as far as we know of a full humpback whale live birth. It gives critical inside moments in the first moments of a calf's life, and also discovers the behaviour of a new humpback whale mother and her freshly newborn calf."
The expectant humpback whale mother swam behind her pod, eventually giving birth by herself. (Image credit: Alexander Forrest/ORRCA (@forrestfov))
The drone video shows the newborn whale surface from blood-reddened water for its first breath. The mother then turns back to reunite with it. The scene was filmed around 0.4 miles (700 meters) from the shore at Kingscliff in northeastern New South Wales.
Humpback whale calves stay with their mothers for their first 11 months. (Image credit: Alexander Forrest/ORRCA (@forrestfov))
The footage will now be analyzed so that a report on the observation can be peer-reviewed and published in a scientific journal. Notably, the mother whale was trailing behind her pod when she gave birth, a detail biologists will compare with observations of other birthing whales that were accompanied by members of their pod. For instance, the 2023 drone footage of the sperm whale giving birth showed that she had 10 adult females near her that formed a protective circle and took turns lifting the calf up so it could breathe at the water's surface.
Related storiesThroughout their first weeks, calves stay close to their mothers and learn critical behaviors, such as breathing at the surface.
A newborn humpback whale calf weighs 1 to 1.5 tons (900 to 1,360 kilograms) and measures roughly 10 to 16 feet (3 to 5 meters) in length. While feeding on its mother's milk, the calf will gain 100 pounds (45 kg) a day and develop the strength and food storage it needs for its first migration. Humpback whales undertake one of the longest migrations of any mammal, travelling up to 5,000 miles (8,000 kilometers) each way between the cold waters of the poles to warm tropical breeding grounds.
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