Delphine dolphin was a baby calf, who lived with her mother, aunts and grandmothers. One sunny morning, when she was playing in the ocean, she heard a peculiar sound. Curious by nature, she went in search of it. She found the sound was coming from her aunt Maggie. “Aunt Maggie, what is that peculiar sound?” she asked. “Sound? Oh, I am whistling, Delphine” “What is whistling, Aunt Maggie? Can I do it too?” asked Delphine, excited to learn something new. “Yes, yes, Delphine. Everyone can whistle. You only need to know the method” she smiled. “Aunt Maggie will you please, please, please teach me how to whistle?” Delphine asked, looking hopefully at her aunt. “Not today, dear Delphine. We are all really busy with the new baby, who will arrive any time!” declined Aunt Maggie to a disappointed Delphine. “It is okay, Aunt Maggie. Maybe you can teach it to me, later”, she politely said, while swimming away.

“I can learn to whistle on my own”, thought Delphine, “Let me try and whistle. Now, how did Aunt Maggie do it?” she pondered. After a few unsuccessful attempts, she decided to seek help from the other sea creatures. With a graceful swish of her tail, she swam towards the sea bed, in search of prospective teachers.

On the way, she found Sally squid, napping. “Hey Sally! How goes?” she boomed at the eight-armed squid. Sally was startled to hear her question, “Oh...