Birds which are considered in the project- The big eagles of the Misiones rainforest have taken to live in its dense heart. The undoubted queen of all birds is the Harpy Eagle, the strongest and most potent bird of prey in the world.
- Together with the Harpy, other smaller but very powerful eagles, such as the Ornate Hawk-Eagle, the Black Hawk-Eagle, the Black-and-White Hawk-Eagle and the Crested Eagle, form the largest group of the species included in the project.
- The parrots, the most attractive of which is the very large Red Macaw, which is probably extinct in Misiones nowadays, the Wine-Breasted Parrot, the Golden-Collared Macaw, the Red-Spectacled Parrot and others are under theprotection of the project. Due to these birds' ability to imitate men's speech, and their attractive colors, commercial hunting has decimated their populations, and today they are on the verge of extinction.
- The guans include the Bare-Faced Curassow, a species almost extinct in Misiones; the Dusky-Legged Guan, and the Black-Fronted Piping Guan. These are species that used to thrive in the Misiones rain forest. Today they continue to exist only in the Iguazu National Park, the Urugua- Provincial Park and other protected areas.
- The Macuco is the largest species of the partridge family: it can reach almost half a meter in height. More often heard than seen, it is the only partridge which usualy sleeps on the branches of trees. It has been hunted to the point extinction for its delicious meat, and nowadays survives only in nature reserves.
Its proximity to the Triple Border, and the traffic in fauna from neighboring countries into Argentina, makes that a great number of wild species confiscated by the customs and security forces have to be attended in Gir Og, like the many animals that are hit by cars on the access road to Iguazu National Park and are referred to the center to be attended.
As there is no other wild fauna rehabilitation center in the region, Gir Og has to take care of all injured animals. They receive veterinary treatment, are rehabilitated and released in their natural habitat.
Those animals which have suffered permanent injuries and cannot be return to their natural environment are passed on to zoos or institutions appointed by the Ministry of Ecology.
Thus, Gir Og, without changing its original project of aiding endangered birds, looks after all those animals that have suffered the misfortune of crossing man's path.
Sparrow hawks, owls, toucans, Squirrel Cuckoos, Giant Anteaters, Crab-Eating Raccoons, Porcupines, Yacar Alligators, etc., are only a few of the 220 animals that have had to be attended in three years of work and of which 150, thanks to the efforts of those who work daily at Gir Og, have been able to return to their real home: the rainforest of Misiones.