Noi va recomandam si aceste adrese

www.birdingpal.org
www.leurmans.dds.nl
www.green-travel.com
www.viapontica.com
www.ecovolunteer.org
www.penguin.dk
www.birdquest.net
www.romaniakontakt.com
www.barefoot-tours.com
www.fssbirding.org.uk
www.goromaniatours.com
www.deanbirders.co.uk
www.oranginas.nl
www.willgoto.com
www.fairtourism.nl
www.lauwersmeer.com
www.naturfotograferna.se www.EcoHolidayGuide.com www.bigtraveling.com www.reddogplace.com www.guidedbirdwatching.com www.birdforum.net www.birdforum.com