Helmut Sick


Helmut Sick was a German-Brazilian ornithologist.
A prominent ornithologist in Brazil, Sick published more than 200 papers, including his most influential work: Ornitologia Brasileira, Uma Introdução, later translated into English as Birds in Brazil: A Natural History. He also led scientific expeditions in remote areas in Brazil and described several species of birds, including the Brasília tapaculo, long-tailed cinclodes, Stresemann's bristlefront and golden-crowned manakin.