In an unprecedented achievement, Argentine scientists have completed the tracking of a southern right whale and her calf throughout their migratory journey. With the help of GPS technology, the project Following Whales, supported by Conicet, the University of Comahue, and WCS Argentina, managed to document a journey of nearly nine months and more than 13,000 kilometers.
Complete tracking of southern right whales
During their extensive journey, these whales traveled across the South Atlantic, moving through the rich continental shelf and slope. These areas are known as “marine supermarkets” due to their abundance of fish, invertebrates, and other marine species that are vital for the feeding and conservation of the southern right whale.
This project has been pioneering in documenting not only the journey of Sodium and her calf Chloride, but also that of other whales since 2014. To date, the movement of 145 whales has been monitored, with complete maps of migratory routes like that of the male Papillon in 2015 and Electra in 2022.
The data collected is essential for understanding the migratory patterns of the whales. The use of GPS devices, which attach temporarily and detach without causing harm, has allowed for a detailed and long-term analysis of their migrations and behaviors.
The website Following Whales continues to update tracking data. Currently, four whales from the season are still transmitting valuable information that contributes to the ongoing research.
This knowledge has a significant impact on the protection of marine habitats. Ensuring the survival of these whales involves identifying and preserving critical feeding areas, as well as regulating human impact, such as fishing and maritime transport.
Finally, the process of cultural transmission between mothers and calves during these migrations is vital. The calves learn the location of feeding areas, crucial knowledge for their future survival. Documenting these journeys not only aids conservation but also promotes the creation of protected areas in the sea.
