Keywords: Porphyrio coerulescens.png s Extinct birds an attempt to unite in one volume a short account of those birds which have become extinct in historical times that is within the last six or seven hundred years to which are added a few which still exist but are on the verge of extinction By Lionel Walter Rothschild 2nd Baron Rothschild 8 February 1868 “ 27 August 1937 http //www archive org/details/extinctbirdsatte00roth Creator John Gerrard Keulemans 1907 Not in copyright Public Domain PD-old-100 Extinct Birds Rothschild book 32 John Gerrard Keulemans Porphyrio coerulescens |