By Bertin W. Anderson. Avvar Books, Blythe, California, USA. 2010: 495 pages and 24 color plates. ISBN: 0-9708504-4-1. $30.00 (soft cover), $40.00 (hard cover).—In 2006 and 2007, two volumes on White-cheeked (more generally ‘Canada’) Geese (Branta canadensis s. l.) by Harold C. Hanson described and named more than 200 subspecific taxa in six species in this complex. Both volumes were published posthumously by B. W. Anderson, who also contributed extensively to the second volume, essentially completing it for his friend and colleague Hanson. Now we have a volume that extends and justifies Hanson's work and presents Anderson's own independent studies of these geese. I earlier reviewed both of Hanson's books (Wilson Journal of Ornithology 119: 514–517, 2007; 121:658–660, 2009).

Anderson begins (page 4) by presenting a brief review of the historical classification of White-cheeked Geese (hereafter W-c G), starting with that...

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