Photos may not be of same individual
3 eggs with 1 parent nearby
Although it’s was really hard to capture the images (it refused to position itself nicely), the back of its neck was completely black with no white ‘saddle’ between the head and back. I’m sorry if it’s not possible to identify it using the images show.
I went snorkelling with a friend just off the beach at Wainui in Akaroa harbour. It's an amazingly diverse and elegant world just under the waves.