Me pēnei te tohu i te whārangi:
Kerry-Jayne Wilson, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/land-birds-overview/media (accessed 29 September 2023)
He kōrero nā Kerry-Jayne Wilson, i tāngia i te 24 Sep 2007, reviewed & revised 20 Apr 2015