Australian Prime Minister Scott Morrison visits New Zealand

Prime Minister Jacinda Ardern and Australian Prime Minister Scott Morrison shake hands at Government House in Auckland. Pool / Diego Opatowski / AFP

Prime Minister Jacinda Ardern and Australian Prime Minister Scott Morrison walk over for a photo opportunity. Pool / Diego Opatowski / AFP

Prime Minister Jacinda Ardern at Government House in Auckland addressing Australian prime Minister Scott Morrison. Pool / Diego Opatowski / AFP

Prime Minister Jacinda Ardern at Government House in Auckland addressing Australian prime Minister Scott Morrison. Pool / Diego Opatowski / AFP

Jenny Morrison, Australian Prime Minister Scott Morrison, Prime Minister Jacinda Ardern and Clarke Gayford take part in a wreath laying ceremony at Auckland Museum. (Pool / Hannah Peters/Getty Images)

Australian Prime Minister Scott Morrison and Prime Minister Jacinda Ardern step forward to a lay a wreath at Auckland Museum. (Pool / Hannah Peters/Getty Images)

(Pool / Hannah Peters/Getty Images)

Jenny Morrison pets a kiwi chick held by a member of the Auckland Zoo team, beside Clarke Gayford. (Stuff / Jason Dorday / Pool)

Jenny Morrison taking a selfie with a member of the Auckland Zoo team and Clarke Gayford. (Stuff / Jason Dorday / Pool)

Australian Prime Minister Scott Morrison was formally welcomed at Government House in Auckland today. (RNZ / Dan Cook)

Australian Prime Minister Scott Morrison was formally welcomed at Government House in Auckland today. (RNZ / Dan Cook)

Australian Prime Minister Scott Morrison with his wife, Jenny, meeting Justice Minister Andrew Little upon his arrival in Auckland. (Pool / Phil Walter/Getty Images)

Australian Prime Minister Scott Morrison with his wife, Jenny, upon arrival in Auckland for his one-day visit of the country. (Pool / Phil Walter/Getty Images)