Bill Horn's Birds of Oklahoma: Photo gallery, tips on raising bluebirds and bird feeding, the basics of bird photography, screen saver, articles, list of hotspots, and bird lists.
Bird Checklists: Seasonal checklists for 23 sites in Oklahoma.
George Miksch Sutton Avian Research Center: Bird conservation center in Bartlesville. Research and conservation projects, list of publications, newsletter articles, OKbirds e-mail group, and job opportunities.
OKbirds: Recent messages from the e-mail group for Oklahoma birders.
Oklahoma Bird Records Committee: Evaluates records of rare birds. Forms, hints for writing documentations, photo gallery, official state list, and reports.
Oklahoma Rare Bird Alert: Recent transcripts.
Pat's Backyard Bird Cam: Live images of birds at an Oklahoma City feeder.