v.5 (1945) - Check-list of birds of the world - Biodiversity

The Biodiversity Heritage Library works collaboratively to make biodiversity literature openly available to the world as part of a global biodiversity community.

IOC World Bird List – Version 13.1

African sacred ibis - Wikipedia

A taxonomic review of Aramides cajaneus (Aves, Gruiformes, Rallidae) with notes on morphological variation in other species of the genus

v.1:ed.2 (1979) - Check-list of birds of the world - Biodiversity Heritage Library

Inter- and intra-archipelago dynamics of population structure and gene flow in a Polynesian bird - ScienceDirect

HSC Glossary - Cornell Lab of Ornithology - Cornell University

PDF) The birds of Christmas Island, Indian Ocean: A review

Check-List Of Birds Of The World; A Continuation Of The Work Of James L. Peters (Volume Xv): Mayr, Ernst, C Greenway, James: 9789354309717: : Books

v.4 (1940) - Check-list of birds of the world - Biodiversity Heritage Library

v.3 (1937) - Check-list of birds of the world - Biodiversity Heritage Library

v.11 (1986) - Check-list of birds of the world - Biodiversity Heritage Library

Updated checklist of the birds of Lebanon, with notes on four new breeding species in spring 2020 by SPNL - Issuu