Pyrrhura orcesi, a New Parakeet from Southwestern Ecuador, with Systematic Notes on the P. melanura Complex

Robert S RidgelyMark B RobbinsPyrrhura orcesi, a New Parakeet from Southwestern Ecuador, with Systematic Notes on the P. melanura Complex

The Wilson bulletin

0043-5643100173-182

http://biostor.org/reference/42446

1988