Below are links to various webpages segregated by location providing nestbox design advice, details and blueprints.
North America: http://www.birdnature.com/nestbox.html http://www.birdwatching-bliss.com/bird-house-plans.html
Europe/UK:
http://www.rspb.org.uk/gardens/whaty..._a_nestbox.asp
http://www.cornwallwildlifetrust.org...ds/birdbox.htm
http://www.cisniar.it/passeriformi.htm
www.ussuri.pl
Australasia: http://www.birdsaustralia.com.au/infosheets/info5.html
Africa: Although no website source has yet been identified, the below fellow has been building nestboxes and monitoring them for 12 years in the Natal region of South Africa and would be happy to advise our members on appropriate nestboxes for species in that area: Keith Seaton Keith AT measurement.freeserve.co.uk
