The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)- Warwickshire (5 members)
- Washington (3 members)
- West India (31 members)
- West Midlands (1 member)
- West Virginia (0 members)
- Western Australia (6 members)
- Western Sahara (0 members)
- Wetmorethraupis (1 member)
- Willisornis (2 members)
- Wilsonia (0 members)
- Wiltshire (3 members)
- Wisconsin (1 member)
- Woodfordia (0 members)
- Worcestershire (4 members)
- Wyoming (2 members)
- Xanthocephalus (1 member)
- Xanthomixis (4 members)
- Xanthomyza (0 members)
- Xanthopsar (1 member)
- Xanthotis (4 members)