Claude Marie Jules Bourcier was a French naturalist and expert on hummingbirds.
Lohr am Main is a town in the Main-Spessart district in the Regierungsbezirk of Lower Franconia (Unterfranken) in Bavaria, Germany and the seat of the Verwaltungsgemeinschaft of Lohr am Main. It has a population of around 15,000.
Hans Christian Johansen was a Danish-Russian professor of zoology, first at Tomsk State University, later at the University of Copenhagen.
Johannes Thienemann was a German ornithologist and pastor who established the Rossitten Bird Observatory, the world's first dedicated bird ringing station where he conducted research and popularized bird study.
Hans Julius Duncker was a German ornithologist, geneticist and eugenicist. Among his attempts in bird genetics was to produce a red canary by transfer of the red plumage gene from a red siskin.
Otto Schmeil was a German zoologist, botanist and educator. He is remembered for his reform efforts in regards to biology education; as a zoologist, he specialized in research of copepods and promoted the idea of "living communities" in nature.
Wictor Godlewski was a Polish nobleman, explorer, and naturalist. After spending time in Siberian labour camps following his participation in the January Uprising, he began to study the natural history of the Siberian region. Many species of birds and other animals are named after him including Godlewski's bunting.
Sergey Ivanovich Snigirewski was a Russian and Soviet ornithologist who was interested in the management of game birds for hunting, zoogeography, and ecology. He was a student of Pyotr Petrovich Sushkin and was a founder of the Bashkir hunters commission.
Count Otto Eduard von Zedlitz und Trützschler was a German nobleman, naturalist, explorer and writer. He settled in to Tofhult, Sweden after World War I.
Hans Löhrl was a German ornithologist and ethologist who conducted studies on bird behaviour, life-history, the imprinting of natal habitat, and wrote several popular books on bird life.
Jean Guillaume Charles Eugène Rey was a German chemist, entomologist and ornithologist. He took a special interest in the eggs of birds, particularly those of parasitic cuckoos which bore a resemblance to the eggs of their hosts. He wrote a book on the cuckoos in 1892.
Friedrich Kutter was a German physician, and ornithologist who was among the early adopters of evolutionary thinking in oology, the study of birds' eggs. He served as a president of the German Ornithological Society in 1890-1891.
Joachim Rohweder was a German teacher, ornithologist and bird conservationist. He wrote one of the earliest comprehensive works on the birds of the Schleswig-Holstein region.
Mateusz Cygański was a naturalist who wrote a book on bird hunting, Myślistwo ptasze, in Polish in 1584 at Krakow, revealing the nature of the land, the status of birds and the methods used in bird hunting in the period. It is among the earliest printed book in Poland and the earliest known Polish work on falconry.
Richard Karl Wilhelm von König-Warthausen also given as (Freiherr/Baron) Richard König von und zu Warthausen was a German nobleman and ornithologist. His collections of eggs and birds were transferred to the museum of natural history in Stuttgart in 1955.
Otto le Roi was a German naturalist of French ancestry. He worked at the Koenig Museum specializing mainly on birds but also took an interest in the Odonata, amphibia, and molluscs. He was killed on the Carpathian Front.
Alwin Voigt was a German ornithologist and a popularizer of bird study. He promoted the study of bird vocalization and in 1894 he adapted musical notation for a concise description of bird calls with dots and lines indicating timing and frequency. Line thickness was used to depict volume.
Hans Stadler was a German physician and naturalist. He had absolute pitch and took a keen interest in the study and description of bird calls and a wrote a book, Die Vogelsprache (1919), on the subject in collaboration with Cornel Schmitt. Along with Schmitt he made bird recordings in the field before 1914.
Ernst Karl Reich was a German businessman and aviculturist who maintained nightingales and canaries at his aviary in Bremen. Along with Hans Duncker he carried out breeding experiments on canaries. In 1910 the first commercial gramophone records of bird songs included the songs of nightingales from his aviary. He was able to get a nightingale to perch and sing right into the horn of the early recording equipment.
Friedrich Christian Steinbacher was a German mathematician, high-school teacher, natural scientist and ornithologist. He helped Ernst Hartert produce a comprehensive work on the palearctic bird fauna, Die Vögel der paläarktischen Fauna and continued to edit it after Hartert's death from 1933 to 1938. He was the father of Georg and uncle of Joachim Steinbacher who also became ornithologists.
