There are many excellent online birding resources. Here are a few of the more popular ones.
- All About Birds – Cornell Lab bird identification site.
- eBird – Birding hotspots and sightings reports.
- Checklist of North Dakota Birds (pdf) – Produced by the ND Game and Fish Department. Lists ND birds with graphs showing abundance by month.
- The Central Flyway
- USFWS Feather Atlas Feather ID database from US Fish and Wildlife