In this March 22, 2017 photo, two shag chicks sit on a nest with their mother at Zealandia in Wellington, New Zealand. People across New Zealand are embracing an environmental goal so ambitious it's been compared to putting a man on the moon: ridding the entire nation of every last rat, opossum and stoat. The idea is to give a second chance to the unusual birds that ruled this South Pacific nation before humans arrived 800 years ago. (AP Photo/Mark Baker)