Sub-species: Progne chalybea macrorhamphus Date: 1998-01-11 State: Sao Paulo
Basis of record: Human observation Catalogue number: Bird sounds:XC82369 View record
Species: Progne subis Date: 1998-03-07 State: Piaui
Basis of record: Human observation Catalogue number: Bird sounds:XC288571 View record
Species: Progne chalybea Date: 1998-03-07 State: Piaui
Basis of record: Human observation Catalogue number: Bird sounds:XC288522 View record