Which of the following are considered highly intelligent mammals?

Among mammals, dolphins are widely recognized as one of the most intelligent species. Their intelligence is linked to their large and complex brains, particularly the neocortex and limbic system, which are responsible for advanced thinking, emotions, and social interactions. Dolphins show behaviors that indicate problem-solving, memory, creativity, and even self-awareness.

One of the key signs of dolphin intelligence is their ability to communicate using a variety of sounds, whistles, and body movements. They use these signals to coordinate within their pods, warn each other of danger, and even teach hunting techniques to younger members. In scientific studies, dolphins have demonstrated the ability to understand human-given commands, recognize symbols, and respond to tasks that involve reasoning.

Another fascinating trait is their self-recognition ability. Experiments with mirrors have shown that dolphins can recognize their own reflection, which is a rare ability in the animal kingdom and a sign of high cognitive function. They also show emotions like joy, grief, and playfulness, which connect closely with intelligence and social bonding.

Dolphins are also known to use tools. For example, some dolphins in the wild place marine sponges over their snouts to protect themselves while searching for food on the seabed. This shows foresight and adaptability. Their cooperative hunting techniques, where they work together to herd fish, further demonstrate their strategic thinking.

While elephants, rats, and bats have their own unique abilities, dolphins stand out for their advanced social intelligence, communication, and problem-solving skills. These traits make them the best answer to this question.

In conclusion, the highly intelligent mammal among the given options is the dolphin, a species that continues to amaze scientists and researchers with its advanced cognitive abilities.