The dog is often considered a kind-hearted animal due to its loyal and affectionate nature. Known for forming strong bonds with humans, dogs are often seen as companions that provide emotional support. Their ability to sense human emotions allows them to respond with comfort and companionship, making them beloved pets in many households. Another example of a kind-hearted animal is the dolphin. Dolphins are known for their intelligence and playful behavior. They often engage in social interactions, not only with their own species but also with humans. Their friendly demeanor and willingness to help others, such as rescuing stranded marine animals, highlight their compassionate nature.