Reed Cormorant

The Reed cormorant, also known as the long-tailed cormorant, is found in sub-Saharan Africa. It is one of five small cormorants. It is: mainly black, glossed green, in the breeding season; the wing coverts are pale silvery-gray; it has a longish tail; a yellow bill; a red or yellow face patch; a red iris; and a short erectile shaggy crest on the forecrown in the breeding season. Non-breeding adults and juveniles are browner with a white belly.  

In the Okavanga Delta of Botswana in June 2018. 

Range from Birds of the World.