Publié le 17 Avril 2016
Par By J. G. Keulemans, in W.L. Buller's A History of the Birds of New Zealand. 2nd edition. Published 1888. — http://www.nzbirds.com/Buller2ndKokakoLg.html, rotated slightly to vertical., Domaine public, https://commons.wikimedia.org/w/index.php?curid=690612...