Dolphins are so adorable. From kids to adults, we all love them. And you probably would be aware of their intelligence that most of you would have witnessed in zoos. In this video, you will the intelligence of dolphins live in the ocean. This diver was swimming with the manta rays in Hawaii and surprisingly, a dolphin came to him. The driver was excited to see her, but as the dolphin came near to him, he realized she is asking for help since she had a hook stuck in her flipper. The diver gently cut the fishing line.