World Bird List

Species factsheet

Voices can be found here (external link)

Subspecies and Distribution

-Subspecie
+Distribution
-bipartita
+s Mexico to w Guatemala
-superciliosa
+se Mexico
-vanrossemi
+c Guatemala
-sylvestris
+e Guatemala
-apiaster
+El Salvador, w Honduras and nw Nicaragua
-euroaustris
+n Honduras
-australis
+sw Nicaragua and nw Costa Rica