The screamers are three South American bird species placed in family Anhimidae. They were once thought to be related to the Galliformes because of similar bills, but are more closely related to the fa
At Possa da Londra in the Brazilian Patanal the weird looking Southern Screamer
The southern screamer is a species of bird in family Anhimidae of the waterfowl order Anseriformes. It is found in Argentina, Bolivia, Brazil, Paraguay, Peru, and Uruguay.
Screamer
…clade is exceptional within the living birds in lacking uncinate processes of ribs. The three species are: The horned screamer (Anhima cornuta); the southern screamer or crested screamer (Chauna torquata); and the northern screamer or black-necked screamer (Chauna chavaria). Anhimids are most similar to presbyornithids…