Sub-species: Willisornis vidua nigrigula Date: 2009-09-09 Country: Brasil
Basis of record: HumanObservation Catalogue number: Bird sounds:XC39979 View record
Sub-species: Willisornis vidua nigrigula Date: 2011-08-06 Country: Brasil
Basis of record: HumanObservation Catalogue number: Bird sounds:XC108032 View record
Sub-species: Willisornis vidua nigrigula Date: 2009-09-14 Country: Brasil
Basis of record: HumanObservation Catalogue number: Bird sounds:XC39980 View record
Sub-species: Willisornis vidua nigrigula Date: 2000-09-08 State: Para
Basis of record: HumanObservation Catalogue number: Bird sounds:XC90350 View record
Sub-species: Willisornis vidua nigrigula Date: 2003-04-12 State: Para
Basis of record: HumanObservation Catalogue number: Bird sounds:XC90349 View record