Two types of deer (Mazama americana and Mazama Rufina), which are locally endangered due to hunting, have been reported; the latter species is also considered vulnerable by the IUCN. The Sanctuary has been designated Important Bird and Biodiversity Area (IBA). Of the 177 registered bird species, 20 have been identified as endangered and 12 species are migratory birds such as the carunculated caracará (Phalcoboenus carunculatus), broad-winged hawk (Buteo platypterus), tropical parula (Parula pitiayumi) and blackburnian warbler (Dendroica fusca).