Helmut Sick was a German

Germans

The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....

-Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

ian ornithologist.

A prominent ornithologist in Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, Sick published more than 200 papers, including his most influential work: Ornitologia Brasileira, Uma Introdução (1984), later translated into English as Birds in Brazil: A Natural History (1993). He also led scientific expeditions in remote areas in Brazil and described several species of birds, including the Brasília Tapaculo

Brasília Tapaculo

The Brasília Tapaculo is a species of bird in the Rhinocryptidae family.It is endemic to Brazil.Its natural habitat is subtropical or tropical moist lowland forests.It is threatened by habitat loss.-References:...

, Long-tailed Cinclodes

Long-tailed Cinclodes

The Long-tailed Cinclodes is a species of bird in the Furnariidae family. It is endemic to Brazil.Its natural habitats are temperate grassland and pastureland...

, Stresemann's Bristlefront

Stresemann's Bristlefront

The Stresemann's Bristlefront is a species of bird in the Rhinocryptidae family.It is endemic to Brazil.Its natural habitat is subtropical or tropical moist lowland forests.It is threatened by habitat loss.-References:...

 and Golden-crowned Manakin

Golden-crowned Manakin

The Golden-crowned Manakin is a small species of perching bird in the manakin family . It is endemic to the south-central Amazon Rainforest in Brazil, and it is threatened by habitat loss...

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