Petry, Maria Virgínia, Universidade do Vale do Rio dos Sinos, São Leopoldo RS 93020-190, Brazil, Brazil

• Ornitología Neotropical Vol. 33 No. 1 - Articles
  VARIATION IN POPULATION SIZE OF THE ENDANGERED VINACEOUS-BREASTED PARROT, AMAZONA VINACEA, IN A COMMUNAL ROOST IN SOUTHERN BRAZIL
  Abstract  Supplementary Material  PDF