HBW and BirdLife International Illustrated Checklist of the Birds of the World vol.2

Handbook of the Birds of the World. Vol.13

Josep del Hoyo Calduch, Andrew Elliott, David A Christie

Handbook of the Birds of the World. Vol.1

Josep del Hoyo Calduch, Andrew Elliott, Jordi Sargatal

Handbook of the Birds of the World. Vol.2

Josep del Hoyo Calduch, Andrew Elliott, Jordi Sargatal

Handbook of the Birds of the World. Vol.3

Josep del Hoyo Calduch, Andrew Elliott, Jordi Sargatal

Handbook of the Birds of the World. Vol.14

Josep del Hoyo Calduch, Andrew Elliott, David A Christie

Handbook of the Birds of the World. Vol.15

Josep del Hoyo Calduch, Andrew Elliott, David A Christie

Handbook of the Birds of the World. Vol.16

Josep del Hoyo Calduch, Andrew Elliott, David A Christie

Handbook of the Birds of the World. Special Volume

Josep del Hoyo Calduch, Andrew Elliott, Ajordi Sargatal, David A Christie

HBW and BirdLife International Illustrated Checklist of the Birds of the World vol.1

Josep del Hoyo Calduch, Nigel J. Colar, David A Christie, Andrew Elliott, Lincoln DC Fishpool

Birds, Mammals and Reptiles of the Galapagos Islands

Rob Still, Andy Swash

Neotropical primates

Anthony Rylands, Russell A Mittermeier, Jessica W Lynch, Leandro Jerusalinsky, Karen B Strier, Liliana Cortés-Ortiz, Andrés Link, Stella de la Torre, Fabiano R de Melo, Gustavo R Canale, Jean P Boubli, Fanny M Cornejo, Wes Sechrest

Crows and Jays

Steve Madge

Cuckoos, Cowbirds and Other Cheats

Nick Davies

Raven

Derek Ratcliffe

All the Mammals of the World

Bird Guide: North America

Brian L. Sullivan, Michael O'Brien, Christopher Wood, Steve N. G. Howell

Nuthatches

Erik Matthysen

Robins and Chats

Peter Clement

Dunnock Behaviour and Social Evolution

N. B. Davies