World Bird List

Species factsheet

Voices can be found here (external link)

Subspecies and Distribution

-Subspecie
+Distribution
-squamulata
+w Mexico
-tamaulipensis
+ne Mexico
-centralis
+s Mexico to w Panama
-virgata
+e Panama to Colombia, Ecuador, Venezuela and Trinidad
-macconnelli
+the Guianas
-superciliaris
+nc and ne Brazil
-borelliana
+s Brazil, Paraguay, ne Argentina