Birding in Bulgaria - http://www.viapontica.com/
Tour company site with checklist of Bulgarian birds and information on important wetlands and their birds. |
Birdwatching Bulgaria - http://www.birdwatchingbulgaria.com/
Overview, checklist, birding areas, tours, and information about the country. |
Birdwatching in Bulgaria - http://www.birdwatchingbulgaria.net/
Tour company site with photo gallery. |