The Conservation of Southern Ecuador's Threatened Avifauna
Williams, R.S.R; J.A. Tobias
A Bat Man in the Tropics: Chasing El Duende
Fleming, Theodore H.
Ducks of Sub-Saharan Africa
Maclean, Gordon Lindsay
Birds of the Early Explorers in the Northern Pacific
A Field Guide to Birds of the USSR Including Eastern Europe and Central Asia
Flint, V.E.; Et al.
A Supplement to Distribution and Taxonomy of Birds of the World
Sibley, Charles G.;Monroe, Burt L.
Pigeons and Doves of the World, Third edition
Illustrations by Gillmor, Robert
Catesby's Birds of Colonial America
Feduccia, Alan; Catesby, Mark
The Complete Guide to Finding the Birds of Australia, Second edition
Thomas, Richard; Thomas, Sarah; Andrew, David; McBride, Alan
The Birds of Matto Grosso, Brazil: A Report on the Birds Secured by the Roosevelt-Rondon Expedition
NAUMBURG, Elsie M.B.
Coloured Figures of the Birds of the British Islands
Reptiles of Australia -Paperback
Wilson, Steve; Swan, Gerry