National Wildlife Refuge Bird Checklists
- Seasonal checklists for Bombay Hook NWR and Dover Air Force Base.
- http://www.npwrc.usgs.gov/resource/birds/chekbird/r5/10.htm

Delaware Birding Locations
- Checklist and site guides to 21 of the best birding spots in Delaware by Maurice Barnhill.
- http://www.physics.udel.edu/~barnhill/Birdhtml/delloc2.html

Delmarva Ornithological Society
- Bird club for the Delmarva peninsula. Meets in Wilmington.
- http://www.dosbirds.org/

Tri-State Bird Rescue and Research
- Wildlife rehabilitation organization in Newark.
- http://www.tristatebird.org/

Mary Scott's Birding Delaware
- Travelogue of a Delaware birding trip.
- http://www.birdingamerica.com/Delaware/