The sightings of whales off the coasts of the province of Buenos Aires are becoming more and more frequent. From Mar del Plata to Pehuen Co and Monte Hermoso, the phenomenon is on the rise, associated with a recovery process of the southern right whale, an emblematic species of the region.
This positive trend is due, among other factors, to the protective measures adopted by Argentina and other South American countries that prohibit their hunting. In the country, the southern right whale has the highest legal conservation status: it was declared a natural monument and is protected by strict regulations.
Throughout much of the 20th century, the population of this species drastically decreased due to indiscriminate hunting. However, since the implementation of the moratorium and the joint effort of several nations, their numbers have begun to recover.
Since the 2000s, sighting records have steadily increased. In addition to Mar del Plata, sightings have been reported in locations such as Necochea, Villa Gesell, Pinamar, Pehuen Co, and Monte Hermoso, covering virtually the entire coast of Buenos Aires.
Whales: a journey of thousands of kilometers to survive
The increase in whale sightings off the coast of Buenos Aires also responds to the fact that the province is located on a key route for the migration of these cetaceans. Southern right whales migrate seasonally from the Antarctic waters, where they feed, to warmer areas such as Santa Catarina in Brazil, to reproduce.
During this journey, they travel thousands of kilometers, passing by the Argentine coasts, making Buenos Aires a strategic corridor within their life cycle. Sighting in this region is not their final destination, but rather a frequent stopping point, especially between the months of May and October.
This migratory route, which connects feeding and breeding areas, is vital for their survival. The presence of these marine mammals in the waters of Buenos Aires not only represents good environmental news but also a unique opportunity to promote responsible tourism and environmental education.
The continuity of this phenomenon will depend on sustained commitment to their protection and policies that minimize threats such as maritime traffic, noise pollution, and climate change, which still pose significant challenges for species conservation.
