Water Thick-knee (Burhinus vermiculatus) [XC834862]
by from Manyeleti Game Reserve, South Africa (call, song)
Water Thick-knee (Burhinus vermiculatus) [XC515798]
by Louis A. Hansen from Kilombero river (sailing on the river), near Ifakara bridge, Ulanga, Morogoro Region, Tanzania (call)
Subspecies
The following 2 subspecies are recognised:
buettikoferi (Reichenow, 1898) - Liberia to Nigeria and Gabon; sometimes claimed to occur east to Uganda.
vermiculatus (Cabanis, 1868) - Zaire east to south-central Somalia, and south to eastern and southern South Africa.