ssp 
poecilinotus 
duidcie 
ssp lepidonotus 
ssp griseiventris 
ssp nigrigula 
FRONTISPIECE. Taxa in the revised Scale-backed Antbird ( Vtllisorms poecilinotus) complex. Upper five figures are 
Common Scale-backed Antbird (W. poecilinotus ); bottom three are Xingu Scale-backed Antbird (W. vidua). Art reproduced 
with permission from Plate 67, Volume 8 of Handbook of the Birds of the World (J. del Hoyo, A. Elliott, and D. A. Christie 
2003), Lynx Edicions, Barcelona, Spain. Paintings by Hilary urn. 
