A vibrant cartoon with colours and smooth animation. Create a 30-40 second emotional 3D cartoon children's story about a little boy and a bird. Keep the characters exactly the same throughout the entire video. Main character: an adorable 8-year-old boy with black hair, wearing a yellow T-shirt, blue shorts and white shoes. Bird character: a small cute blue-and-yellow bird with bright eyes and colorful feathers. Scene 1: The little boy walks alone through a beautiful green forest in the morning. Soft golden sunlight shines through the trees. He looks a little lonely and curious. Scene 2: The boy suddenly notices the small blue-and-yellow bird sitting on a tree branch. The bird looks at him curiously, and the boy smiles gently. Scene 3: The boy takes some small seeds and gently offers them to the bird. The bird slowly flies down and eats from his hand. The boy becomes very happy. Show a sweet and heartwarming friendship moment. Scene 4: After spending some time together, the bird spreads its wings and flies into the beautiful blue sky. The boy watches the bird with a gentle emotional smile. Scene 5: The next morning, the same bird returns and lands near the boy. The boy smiles with happiness. They look at each other like old friends, showing that their friendship has begun. End with a warm sunset, beautiful forest scenery and a heartwarming feeling. Add cinematic camera movements, expressive facial emotions, soft lighting, colorful high-quality 3D cartoon animation, magical children's storybook style, wholesome and family-friendly atmosphere, consistent characters, vertical 9:16 format.