| REGUA Brazil | The Brazilian REGUA website in Portugese |
| Serra dos Tucanos | Andy Foster's Birding Trips |
| Birdlife Brazil | Birdlife International Brazil Programme |
| Toby Ault's Travels | Toby follows in Darwin's footsteps! |
| Tropical Birding | Latin American birding tours |
| World Land Trust | Conservation of Latin American Rainforests |
| Guapiassu Bird Lodge | Villa accommodation at REGUA |
| RSPB Binocular Scheme | Scheme provides REGUA guards with binoculars |
| American Birding Association (ABA) | Supporter and donor of field equipment |
| Dehouche Travel Company | Creator of our carbon certificate scheme |
| Kay Optical Ltd | One of our first supporters and supplier of optical equipment |
| Porzana Ltd | Supplier of bird and bat band and field equipment |
| Volunteer Latin America | A website helping people volunteer in Latin America. |
| Brazil | Online Guide to Brazil including brazilian vacations, packages, hotels, tours, night life, beach life and Carnivals. |
http://www.fatbirder.com/links_geo/america_south/brazil_rio_de_janeiro.html
REGUA is mentioned as one of the places to visit in RJ state
http://www.fao.org/DOCREP/004/Y3660e/y3660e05.htm
REGUA is mentioned regarding FAO's site suggesting exploitation of non-timber forest products (NTFP).
http://www.british-explorers.org/newsletter.htm
REGUA is mentioned on the British Explorer's Website
http://www.iobfs.org/fslink.html
REGUA is mentioned in the International Organizations of Biological Field Stations website