the paper aves marinhas e aquáticas das ilhas do litoral do estado do rio de janeiro (birds of marine and aquatic islands along the coastline of rio de janeiro) is a rare study containing a wealth of information on all bird species in the region.

the original document with more details and complete list of laws and regulations for the cagarras islands is posted this page.        

the first step in obtaining authorizations for scientific research or academic projects is contacting the the instituto chico mendes de conservação da biodiversidade - icmbio on this page, where a process of approval can be initiated after appropriate registration.