Found this article from 2006 about protecting forgotten forests in Peru, one of the habitats for endangered grey cheeks. I'm not reprinting the BirdLife International article here except for a couple of lines but have linked to their article below.
"Unless the international conservation community moves quickly, species will continue to become extinct in the 'forgotten' forests of the Tumbesian region of northern Peru, BirdLife warns today."
"Seven of the affected species are classified by BirdLife for the IUCN Red List as Endangered. These are the Grey-cheeked Parakeet Brotogeris pyrrhopterus..."
Read the entire article here.
http://www.birdlife.org/news/news/2006/03/peru.html (accessed March 15, 2011)