World Bird List

Species factsheet

Voices can be found here (external link)

Subspecies and Distribution

-Subspecie
+Distribution
-huttoni
+n Pakistan to c Nepal
-spilocephalus
+c Nepal to Myanmar
-latouchi
+se China, n Indochina
-hambroecki
+Taiwan
-siamensis
+s Thailand, s Vietnam
-vulpes
+s Malay Pen.
-vandewateri
+Sumatra
-luciae
+Borneo