Claës Christian Olrog (25 November 1912 – 29 November 1985) was a Swedish-born

ornithologist Ornithology, from Ancient Greek ὄρνις (''órnis''), meaning "bird", and -logy from λόγος (''lógos''), meaning "study", is a branch of zoology dedicated to the study of birds. Several aspects of ornithology differ from related discip ...

who worked in

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

. He published ''Las Aves Argentinas'' (1959) which was one of the first field guides for

. Olrog was born in Danderyd,

Stockholm Stockholm (; ) is the Capital city, capital and List of urban areas in Sweden by population, most populous city of Sweden, as well as the List of urban areas in the Nordic countries, largest urban area in the Nordic countries. Approximately ...

and was educated at

Uppsala Uppsala ( ; ; archaically spelled ''Upsala'') is the capital of Uppsala County and the List of urban areas in Sweden by population, fourth-largest city in Sweden, after Stockholm, Gothenburg, and Malmö. It had 177,074 inhabitants in 2019. Loc ...

and

. In 1939 he visited

Tierra del Fuego Tierra del Fuego (, ; Spanish for "Land of Fire", rarely also Fireland in English) is an archipelago off the southernmost tip of the South America, South American mainland, across the Strait of Magellan. The archipelago consists of the main is ...

as part of his PhD research. In 1946 he travelled into

Paraguay Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the Argentina–Paraguay border, south and southwest, Brazil to the Brazil–Paraguay border, east and northeast, and Boli ...

and then took up a teaching position at the Miguel Lillo Institute, in San Miguel de Tucumán, Argentina, in 1948. He published a field guide to the birds of the region in 1959 - ''Las Aves Argentinas''. A new edition was produced in 1984. He described several new taxa and several species have also been named after him.

References

External links

Biography
(in Spanish) {{DEFAULTSORT:Olrog, Claes Christian 1912 births 1985 deaths Scientists from Stockholm Argentine ornithologists Swedish emigrants to Argentina