In October 2015 they found evidence of illegal logging in the town of Agulha do Imbé, in the municipality of Santa Maria Madalena, and charged the owner of the land with environmental crime.

Endangered bird species include black-fronted piping guan (Pipile jacutinga), solitary tinamou (Tinamus solitarius), white-necked hawk (Buteogallus lacernulatus) and black-and-white hawk-eagle (Spizaetus melanoleucus).

The Penelope, Tinamou, neotropical bellbird, black hawk-eagle (Spizaetus tyrannus) and red-browed amazon (Amazona rhodocorytha) are now only found in protected areas.

[3] Mammals include maned sloth (Bradypus torquatus), cougar (Puma concolor), coati, lowland paca (Cuniculus paca), howler monkeys, nine-banded armadillo (Dasypus novemcinctus), tayra (Eira barbara), collared peccary (Pecari tajacu), white-lipped peccary (Tayassu pecari), titis, brown four-eyed opossum (Metachirus nudicaudatus), Robust capuchin monkeys, furão (Mustelidae species) and crab-eating raccoon (Procyon cancrivorus).

In July 1999 the highly endangered muriqui was observed, causing great interest in the national and international scientific community and stimulating investment in research and conservation activities.