the administration of the reserves is under the control of the federal governent and as such it is carried out by icmbio - instituto chico mendes de conservação da biodiversidade. the instituto brasileiro do meio ambiente e dos recursos naturais renováveis (brazilian institute of environement and renewable natural resources) publishes more information on the reserva biológica federal do tinguá on this website.

published by the instituto chico mendes de conservação da biodiversidade, the 276-page atlas da fauna brasileira ameaçada de extinção em unidades de conservação federais (atlas of brazilian fauna threatened with extinction in federal conservation units), makes a detailed account of threatened species, and shows that with 12.3 % of the total, and second only to the state of bahia, rio de janeiro is home to the largest percentage of threatened species in brazil.