Helmut Sick (10 January 1910 – 5 March 1991) was a German-Brazilian ornithologist. Sick was born in Leipzig, Germany. He emigrated to Brazil in 1939....

and writer Gernot Sick (born 1978), Austrian football player Helmut Sick (1910–1991), Brazilian ornithologist Ingeborg Maria Sick (1858–1951), Danish...

politician, chancellor Helmut Schoeck (1922–1993), Austrian sociologist Helmut Schön (1915–1996), German football player and manager Helmut Sick (1910–1991), Brazilian...

in Arini). Brazilian ornithologist Helmut Sick stated in 1981: "Cyanopsitta spixii...is not a real macaw". (Sick's remark was in the context of an article...

Tinamus solitarius, a species of tinamou (dismissed as "erroneous" by Helmut Sick);: 347  to genetic mutation;: 349  and to the action of a retrovirus...

Helmut Josef Michael Kohl (German pronunciation: [ˈhɛlmuːt ˈkoːl] ; 3 April 1930 – 16 June 2017) was a German politician who served as Chancellor of West...

Chordata Class: Aves Order: Passeriformes Family: Rhinocryptidae Genus: Merulaxis Species: M. stresemanni Binomial name Merulaxis stresemanni Sick, 1960...

1997 found that Sick's swift was closer to the chimney swift. The English name commemorates the German-born ornithologist Helmut Sick who studied South...

species until 1978, when German-born, Brazilian-naturalised ornithologist Helmut Sick finally located the wild population. Lear's macaw is 70–75 cm (27+1⁄2–29+1⁄2 in)...

Class: Aves Order: Passeriformes Family: Rhinocryptidae Genus: Scytalopus Species: S. novacapitalis Binomial name Scytalopus novacapitalis Sick, 1958...