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langs: 21 февраля [ru] / february 21 [en] / 21. februar [de] / 21 février [fr] / 21 febbraio [it] / 21 de febrero [es]

days: february 18 / february 19 / february 20 / february 21 / february 22 / february 23 / february 24


Animal / Animal


#1 List of giant pandas

This is a list of giant pandas , both alive and deceased. The giant panda is a conservation-reliant vulnerable species . [1] Wild population estimates vary; one estimate shows that there are about 1,590 individuals living in the wild, [2] while a 2006 study via DNA analysis estimated that this figur

#2 Caddo madtom

The Caddo madtom ( Noturus taylori ) is a species of fish in the family Ictaluridae endemic to the United States . N. taylori was named in honor of William Ralph Taylor, U.S. National Museum, in recognition of his contributions to the knowledge of catfishes. [2] They average 2 to 4 in long and weigh


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Researcher / Researcher


#1 V. S. Summerhayes

Victor Samuel Summerhayes OBE (21 February 1897 – 27 December 1974) was an English botanist [1] in charge of the orchid herbarium at Royal Botanical Gardens, Kew for 39 years. [2] V. S. Summerhayes Born Victor Samuel Summerhayes ( 1897-02-21 ) 21 February 1897 Street , England Died 27 December 1973

#2 Alfred Ernst

Alfred Ernst (21 February 1875, Winterthur – 17 September 1968, Zürich ) was a Swiss botanist . Swiss botanist Alfred Ernst, c. 1935 He attended classes at the teachers' seminar in Küsnacht , followed by studies of biological sciences in Paris . From 1897 to 1899 he worked as a teacher in Naples . A

#3 Eduard Oscar Schmidt

Eduard Oscar Schmidt (21 February 1823, in Torgau – 17 January 1886, in Kappelrodeck ) was a German zoologist and phycologist. German zoologist and phycologist (1823–1886) Oskar Schmidt

#4 Pieter Groenhart

Pieter Groenhart (February 21, 1894 – November 3, 1965) was a Dutch lichenologist known for his research into tropical Asian lichens . Born in Ilpendam , he became a teacher in 1916 and taught in several local elementary schools. In 1926 he moved to Java , where he became a teacher at the Agricultur

#5 Gregory M. Plunkett

Gregory M. Plunkett (born 21 February 1965 in Bayonne , New Jersey [1] ) is an American botanist . [2] The standard author abbreviation G.M.Plunkett is used to indicate this person as the author when citing a botanical name . [3]

#6 Johann Erdwin Christoph Ebermaier

Johann Erdwin Christoph Ebermaier (19 April 1768, Melle near Osnabrück – 21 February 1825) was a German physician and pharmacist . He was the father of Carl Heinrich Ebermaier , a writer on medicinal botany . He trained at the surgical academy in Braunschweig , then studied medicine in Göttingen . I

#7 Boris Schischkin

Boris Konstantinovich Schischkin (born 19 April [ O.S. 7 April ] 1886 in Kukarka ; died 21 March 1963 in Leningrad ) was a Russian botanist and from 1943 corresponding member of the Academy of Sciences of the USSR . His name was Russian : Борис Константинович Шишкин , with his surname sometimes tran

#8 Lars Levi Laestadius

Lars Levi Laestadius ( Swedish pronunciation:   [ˈlɑːʂ ˈlěːvɪ lɛˈstɑ̌ːdɪɵs] ; 10 January 1800 – 21 February 1861) was a Swedish Sami pastor and administrator of the Swedish state Lutheran church in Lapland who founded the Laestadian pietist revival movement to help his largely Sami congregations, wh

#9 Marie Stopes

Marie Charlotte Carmichael Stopes (15 October 1880   – 2 October 1958) was a British author, palaeobotanist and campaigner for eugenics and women's rights . She made significant contributions to plant palaeontology and coal classification, and was the first female academic on the faculty of the Univ

#10 Hermann Otto Sleumer

Hermann Otto Sleumer (February 21, 1906 in Saarbrücken – October 1, 1993 in Oegstgeest ) [1] :   1125   was a Dutch botanist of German birth. [1] The plant genera Sleumerodendron Virot ( Proteaceae ) and Sleumeria Utteridge, Nagam. & Teo ( Icacinaceae ), are named for him. [1] :   2497   [2] Dutch b

#11 Bing Zhi

Bing Zhi ( Chinese : 秉志 ; pinyin : Bǐng Zhì ; Wade–Giles : Ping Chih ; 9 April 1886 - 21 February 1965), was a Chinese zoologist of Manchu ancestry, considered the founder of China's neontology . [1] He was an academician of the Chinese Academy of Sciences and Academia Sinica . [2] He was a delegate

#12 Rosalina Berazaín Iturralde

Rosalina Berazaín Iturralde (born 21 February 1947, Havana ) is a Cuban botanist , plant collector , plant taxonomist , and professor at the University of Havana . [1] She is one of the founders of the National Botanic Garden of Cuba , and a member of the Cuban Academy of Sciences . [2] The standard

#13 Albert Joyce Riker

Dr. Albert Joyce Riker (April 3, 1894 – February 21, 1982) was a noted American plant pathologist and professor at the University of Wisconsin–Madison . American plant pathologist (1894–1982) Riker was born in Wheeling, West Virginia , the son of Albert Birdsall and Mary Edith (Davis) Riker. He grad

#14 José de Viera y Clavijo

José de Viera y Clavijo (28 December 1731 – 21 February 1813), was a Spanish ecclesiastic, historian , botanist , ethnographer , and professor, best known for his exhaustive History of the Canary Islands ( Historia de Canarias ). Born in Realejo Alto , on the island of Tenerife , he was the son of t

#15 Herold Georg Wilhelm Johannes Schweickerdt

Herold Georg Wilhelm Johannes Schweickerdt (28 February 1903, Schmie, Baden-Württemberg – 21 February 1977, Pretoria ) was a German botanist . Herold Georg Wilhelm Johannes Schweickerdt Born ( 1903-02-28 ) 28 February 1903 Schmie, Baden-Württemberg , Germany Died 21 February 1977 (1977-02-21) (aged

#16 John Russell, 6th Duke of Bedford

John Russell, 6th Duke of Bedford , KG , PC , FSA (6 July 1766 – 20 October 1839), known as Lord John Russell until 1802, was a British Whig politician who notably served as Lord Lieutenant of Ireland in the Ministry of All the Talents . He was the father of Prime Minister John Russell, 1st Earl Rus

#17 Frederick Lewis Lewton

Frederick Lewis Lewton (1874–1959) was an American botanist, chemist, museum curator, archivist, and historian. [1] [2] [3] Frederick Lewis Lewton Born ( 1874-03-17 ) March 17, 1874 Cleveland, Ohio , US Died February 21, 1959 (1959-02-21) (aged   84) [1] Orange County, Florida , US Scientific career

#18 George Alexander Louis Lebour

George Alexander Louis Lebour , MA, DSc, FGS (1847 – 21 February 1918) was an English geologist. [1] Lebour was educated at the Royal School of Mines and was then a staff member of the Geological Survey from 1873 to 1876. At the Durham College of Science , he was a lecturer in geological surveying f

#19 Miloš Deyl

RNDr. Miloš Deyl , DrSc. (19 June 1906 in Smidary – 21 February 1985 in Prague ) was a Czechoslovak botanist . [1] For the general public, his most famous publication is Naše květiny (Our Plants) . This systematical plant atlas, illustrated by Květoslav Hísek introduces over 700 most important speci

#20 Albert Callay

Eugène Albert Athanase Callay (born February 21, 1822 in Montcornet, Aisne and died in Le   Chesne, Ardennes March 24, 1896) was a French pharmacist and amateur botanist who worked on classifying the flora of the department of the Ardennes . [1] [2] The standard author abbreviation Callay is used to


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Zoo / Zoo


#1 Portland Aquarium

The Portland Aquarium was a 12,500-square-foot (1,160   m 2 ) for-profit aquarium in Oak Grove, Oregon , United States that opened to the public on December 15, 2012. [2] Aquarium in Oregon, United States Portland Aquarium Date opened December 15, 2012 Date closed February 16, 2016 Location 16323 SE


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