Common Square-tailed Drongo (Dicrurus ludwigii) [XC508897]
by Louis A. Hansen from Kabompo gorge, North-Western province, Zambia (call)
Common Square-tailed Drongo (Dicrurus ludwigii) [XC516520]
by Louis A. Hansen from Funo camp, Chita Forest, southern Udzungwa Scarp, Tanzania (call)
Subspecies
Recent DNA studies indicate that closest relative is Shining Drongo (Dicrurus atripennis). Distinctive subspecies sharpei may merit treatment as a separate species.
The following 5 subspecies are recognised:
sharpei (Smith, 1834) - Southern Senegal east to Nigeria, Cameroon, Central African Republic, southern Sudan, Uganda and western Kenya, extending south to northern Angola and northern DRCongo.
muenzneri Reichenow, 1915 - Southern Somalia, eastern and south-eastern Kenya, and eastern and southern Tanzania.
saturnus Clancey, 1976 - Angola (western escarpment east to Moxico), south-eastern DRCongo (Katanga) and Zambia.
tephrogaster Clancey, 1975 - Southern Malawi, eastern Zimbabwe, and Mozambique (north of R Limpopo).
ludwigii (Smith, 1834) - Eastern South Africa, Swaziland and southern Mozambique.