Bookkeeping of some private lists
Europe
including Turkey
Northern America
India
Nepal
Japan
Annotated uptodate list
Palau
Peninsular Malaysia
Uruguay
World
The basis list of all bird species occurring in the World Checklist of Birds by Sibley Monroe 1993:
Basis list
Under construction:
An Unofficial Checklist of the Birds of Japan
Last modified: Sun Dec 20 22:17:43 JST 1998