Keywords: Grey Francolin Call 1 Sonogram.png en Sonogram of Grey Francolins call based on the audio file Grey_Francolin_call_1 ogg in Wikimedia Commons by user AshLin Sonogram created from Grey_Francolin_call_1 ogg audio file in Wikimedia Commons by user AshLin User Treron 2011-01-31 Francolinus pondicerianus Cc-zero |