'Whether you want to maintain your own world list or be able to access an authoritative reference to all of the world's birds, the new Clements is an essential acquisition.' Birdwatch (September 2007) 'Birders now go all over teh wrold to add new birds to their list, and this checlist is especially intended for them.' TiMG (August 2007) '..most user-friendly layout of all the current world checklists..' Birding World (December 2007) '..this fully updated sixth edition, is probably the most- favoured checklist of birdwatchers around the globe.' '..each edition of this superb checklist [is] a must-have for the serious world birder.' Lancaster & Morecombe Newspapers (November 2007) 'J.F. Clements...undertook establishing a practical list, usable by ornithologists. A remarkable piece of work, including it's weight (2.3 kg).' Alauda (2009) --This text refers to an alternate Hardcover edition.
John W. Fitzpatrick is the Louis Agassiz Fuertes Director of the Cornell Lab of Ornithology and Professor of Ecology and Evolutionary Biology at Cornell University.