"Scopus umbretta, the Hammerhead, of Madagascar and a large part of the Ethiopian Range, is purplish-brown, with black tail-bars, wider towards the tip; the head exhibits a thick erectile crest, generally carried horizontally; the bill is black and the feet are brownish." A. H. Evans, 1900

Hammerhead Standing Near Water

"Scopus umbretta, the Hammerhead, of Madagascar and a large part of the Ethiopian Range, is purplish-brown,…

"Chauna Cristata, Northern Screamer, is dark grey, with a black ring around the neck and whitish-grey cheeks and throat. This is the largest form, and is bigger than turkey; it ranges from South Brazil to Argentina." A. H. Evans, 1900

Northern Screamer

"Chauna Cristata, Northern Screamer, is dark grey, with a black ring around the neck and whitish-grey…