Generate a full-length photorealistic image of an elephant featuring the musculature and framework of a mouse, while keeping its head intact complete with distinct facial features. The skin retains its elephantine texture, complemented by soft fur similar to a mouse. The background blends elements from both animals' habitats, showcasing a mix of savannah and vibrant fields. Include plants characteristic of each environment, ensuring a harmonious and imaginative scene that captures the essence of both creatures while highlighting their unique characteristics in a surreal setting.
