Latest Reports of Birds in Northamptonshire
- Up to date sightings.
- http://homepage.ntlworld.com/northantsbirds/

Birds of Northamptonshire
- Annotated checklist of all 309 species that have been recorded in the county, early and late dates, and site guides.
- http://atschool.eduweb.co.uk/jblincow/npton/nptonind.htm

Fat Birder: Birding Northamptonshire
- Top sites, resources, and links.
- http://www.fatbirder.com/links_geo/europe/england_northamptonshire.html