Dolphins are not only a spectacle for the eyes, but they also play a crucial role as guardians of the oceans.
Their intelligence and exceptional abilities make them indispensable allies for science and a reminder of the importance of caring for their habitat.
## Do Dolphins Have Their Own Names?
Yes, dolphins have developed a unique language that includes individual whistles, known as “signature whistles” or “names.” These sounds allow each dolphin to identify itself and respond when called, even after years apart.
This ability, discovered by researchers at the University of St. Andrews, demonstrates an extraordinary memory and advanced social capacity comparable to that of humans.
## Tool Use and Culinary Skills
Dolphins also use tools. For example, Indo-Pacific bottlenose dolphins use marine sponges as protection while foraging for food on the ocean floor. This behavior, called “sponging,” is passed down from mothers to calves.
Additionally, they have been observed using bubbles to hunt fish and manipulating their prey before eating, as is the case with dolphins in Spencer Gulf, Australia, who prepare cuttlefish before consuming them.
## Altruism of Dolphins
Dolphins are known for their altruism. They have helped other animals and humans in danger on numerous occasions. For example, in New Zealand, a group of dolphins surrounded a swimmer threatened by a shark and safely guided him to the shore.
## Medical Discoveries Inspired by Dolphins
The heart of dolphins is a fascinating topic for researchers. Their ability to regulate heart rate during dives, known as “diving bradycardia,” allows them to conserve oxygen.
This knowledge could have applications in human medicine for treating diseases related to blood pressure or heart problems.
## Social Life of Dolphins
Dolphins live in groups called pods, which provide them with protection and a network of collaboration and continuous learning.
They are capable of forming strategic alliances, especially among males, that can last for years, demonstrating a level of cooperation and loyalty rarely seen in the animal kingdom.
## Guardians of the Ocean
Dolphins are indicators of the health of marine ecosystems. Scientists analyze their health to detect environmental problems that could impact biodiversity and human communities. Changes in their behavior can be early signals of ecological imbalances, such as ocean warming or overfishing.
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