Luiz, Edson Ribeiro, Sociedade para Conservação das Aves do Brasil – SAVE Brasil. Boa Nova, Bahia, Brasil

• Ornitología Neotropical Vol. 27 - Short Communications
  GEOPHAGY IN PFRIMER'S PARAKEET (PYRRHURA PFRIMERI), A CRITICALLY THREATENED AND ENDEMIC PARAKEET OF DRY FORESTS IN CENTRAL BRAZIL
  Abstract  PDF