http://www.newzealand.com/int/feature/muriwai-gannet-colony/
From August to March each year you can watch the comings and goings of a busy gannet colony. It's hugely entertaining. These gannets pair for life, and every year, they fly from Australia to New Zealand, lay eggs , hatch the babies and fly back to Australia.
https://abcwednesday-mrsnesbitt.blogspot.co.nz/